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Languages
Spanish
In the library
Japanese
In the library
French
In the library
Korean
In the library
Chinese (Mandarin)
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Russian
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Toki Pona
In the library
🇩🇪
German
Start learning
🇮🇹
Italian
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🇵🇹
Portuguese
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🇸🇦
Arabic
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🇮🇳
Hindi
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Dutch
In the library
🇮🇩
Indonesian
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Norwegian
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🇵🇱
Polish
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🇹🇭
Thai
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Turkish
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Most Popular Packs
1
Toki Pona
Optimem Labs
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9.9K learners
2
Toki Pona: Essential phrases
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3.6K learners
3
Sitelen Pona
Optimem Labs
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3.1K learners
4
International Morse Code
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1.7K learners
5
Spanish: Essential words
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•
1.5K learners
6
Sitelen sitelen
Optimem Labs
•
1.4K learners
7
Country Flags
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•
1.4K learners
8
Minecraft: Enchantment Script
zooMolga
•
1.5K learners
9
ASL: Alphabet
Optimem Labs
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1.1K learners
10
Japanese: Basic vocabulary
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•
949 learners
Tech
Machine Learning
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Rust
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Python
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JavaScript
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React
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Linux
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Data Science
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By Topic
Alphabets
From ⍺ to ζ, discover unique alphabets from around the world.
Phrases
Essential phrases for conversations and travel
Vocabulary
Learn the most common words in any language
Music
3 packs
Computers & Programming
4 packs
Geography
2 packs
Games
2 packs
Certifications & exams
NCLEX-RN
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CFA (Chartered Financial Analyst)
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Coming soon
CompTIA Security+
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Coming soon
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Coming soon
Bar Exam (MBE / UBE)
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Languages
Toki Pona
4 packs
Dutch
Learn Dutch from A0 to A2 — alphabet sounds, essential words, everyday phrases, and beginner sentences with native-speaker audio.
Japanese
Learn Japanese from the script up — hiragana, katakana, essential words and phrases, beginner sentences. Native-speaker audio with hiragana readings rendered as romaji on the web.
Russian
2 packs
Spanish
Learn Spanish from A1 to A2 — essential vocabulary, everyday phrases, beginner sentences. Native-speaker audio in masculine and feminine voices.
French
Learn French from A0 to A2 — essential vocabulary, everyday phrases, beginner sentences. Native-speaker audio in masculine and feminine voices.
Chinese
Learn Mandarin Chinese from A1 to A2 — essential vocabulary, everyday phrases, beginner sentences. Native-speaker audio with pinyin readings underneath the hanzi.
Norwegian: Essential phrases
Optimem Labs
•
0 cards
Korean
Learn Korean from the script up — Hangul alphabet, essential vocabulary, everyday phrases, beginner sentences. Native-speaker audio with Revised Romanization underneath the Hangul.
German
Learn German from A1 to A2 — essential vocabulary, everyday phrases, beginner sentences. Native-speaker audio in masculine and feminine voices.
Hindi
Learn Hindi from A1 to A2 — essential vocabulary, everyday phrases, beginner sentences. Native-speaker audio with IAST and casual romanization underneath the Devanagari.
Music
Piano
In the library
Music Theory
In the library
🎸
Guitar
Start learning
🎤
Singing
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👂
Ear Training
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🎸
Bass
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🎻
Cello
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🎧
DJing
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Drums
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🎛️
Electronic Music Production
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🎶
Flute
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🎚️
Mixing & Mastering
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🎼
Music Intervals & Circle of Fifths
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Saxophone
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📝
Songwriting
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🎺
Trumpet
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Ukulele
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Violin
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Trending Packs
1
NATO phonetic alphabet
Optimem Labs
•
932 learners
2
Rust Programming Language
Jonathan Sundqvist
•
428 learners
3
Japanese: Katakana
Optimem Labs
•
671 learners
4
Japanese: Hiragana
Optimem Labs
•
866 learners
5
Periodic Table of Elements
Optimem
•
983 learners
6
Russian: Cyrillic alphabet
Optimem Labs
•
618 learners
7
Spanish: Essential words
Optimem Labs
•
1.5K learners
8
Japanese: Essential phrases
Optimem Labs
•
600 learners
9
Country Flags
Optimem Labs
•
1.4K learners
10
Piano keys
Optimem Labs
•
591 learners
Art & Design
✏️
Drawing
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📷
Photography
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✒️
Calligraphy
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Filmmaking
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🎭
Acting
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🎞️
12 Principles of Animation
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🧊
3D Modeling
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🎞️
Animation
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A
Architecture
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🎨
Color Theory
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💭
Comics
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D
Design
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💻
Digital Art
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F
Film
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🖼️
Graphic Design
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🖊️
Hand Lettering
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🖍️
Illustration
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🛋️
Interior Design
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From the Community
Minecraft: Enchantment Script
zooMolga
•
27 cards
Images
Rust Programming Language
Jonathan Sundqvist
•
212 cards
Eggs
Æweired
•
11 cards
Images
Runes: Younger Futhorc
zooMolga
•
30 cards
C# Keywords
knifecatcher
•
7 cards
USA: State Nicknames
zooMolga
•
50 cards
Corporate Lingo
Anonymous
•
20 cards
Climbing Hold Types
sagar
•
0 cards
L4D2 Special Infected Spawn Cues
Æweired
•
12 cards
Audio
Shavian Alphabet
24Forrin
•
48 cards
Italian: Essential words
Anonymous
•
379 cards
German Basic Verbs
Anonymous
•
142 cards
Esperanto
Django Scott-Cowling
•
20 cards
Toki Pona Words
Tony Eytcheson
•
137 cards
Latin Roots
sagar
•
149 cards
Spanish: Prepositions
Bob
•
10 cards
Uncommon toki pona words
Gurt
•
6 cards
Sitelen Kuwi
Wulfric457
•
161 cards
Images
Greek Alphabet
Anonymous
•
24 cards
Gen Alpha Slang
therizzler
•
57 cards
Legalese
sagar
•
30 cards
Wingdings Gaster Alphabet
Anonymous
•
26 cards
Images
Suomi
Anonymous
•
19 cards
Toki Pona Extended Vocabulary
Anonymous
•
57 cards
Tuki Tiki
s.s. sammi
•
37 cards
BSL/Makaton Alphabet
Sooparch
•
26 cards
Images
Toki Pona to German
Anonymous
•
10 cards
Indonesian vocab (based on toki pona word list)
baksoBoy
•
364 cards
Numbers 1-100 in Portuguese
Brio
•
100 cards
Original 151 Pokémon
smartLAD_14
•
151 cards
Speaking hexadecimal (lowercase only)
Comet
•
26 cards
Serbian
Anonymous
•
96 cards
Chess Concepts
Sahas
•
16 cards
Images
Hiragana Characters
Benjamin O.
•
47 cards
日本語の単語
ケーティー
•
38 cards
International Maritime Letter Flags
Casey
•
40 cards
Images
Tristate Quartet Encoding (+/-)
Shrimpsooup
•
36 cards
Norwegian Welfare State Concepts
quoji
•
24 cards
Furbish
Ray Passineau
•
156 cards
Hiszpański🐱👤
ferrahri
•
195 cards
Ukrainian Linguistics Terms
анастасія бондаренко
•
15 cards
Midwestern States Facts
Anonymous
•
31 cards
HTTP Status Codes
ygerlach
•
60 cards
Nugoze (New Language) Vocab Pack
skttles
•
242 cards
Toaq (Gamma)
Anonymous
•
1341 cards
Tennis Terminology
Phenomanun
•
57 cards
Li Zi language
carter traywick
•
26 cards
Violin Parts
Sahas
•
33 cards
Images
Markdown Basic Syntax
sagar
•
12 cards
ar la
HI-BY inc.
•
90 cards
Geografia rzeki i kanały Polski
Szymon
•
44 cards
Images
Chem Molar Masses
Lisa
•
18 cards
Auditory System 👂
Anonymous
•
20 cards
Tire Reading Flashcards
Anonymous
•
12 cards
Hungarian words 1
askei
•
10 cards
Audio
Famous Linguists
Anonymous
•
12 cards
FM Ch 1
Anonymous
•
17 cards
Craft & Making
🧶
Knitting
Start learning
🖨️
3D Printing
Start learning
📕
Bookbinding
Start learning
🧶
Crochet
Start learning
🔌
Electronics
Start learning
🪡
Embroidery
Start learning
💐
Floristry
Start learning
👜
Leather Working
Start learning
📄
Origami
Start learning
🏺
Pottery
Start learning
🧵
Sewing
Start learning
🔥
Welding
Start learning
🪵
Woodworking
Start learning
Fitness
Climbing Hold Types
sagar
•
0 cards
Fitness & Sports
🏃
Running
Start learning
🧘
Yoga
Start learning
🏋️
Weightlifting
Start learning
🧗
Rock Climbing
Start learning
💃
Dance
Start learning
🏹
Archery
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🏀
Basketball
Start learning
🥊
Boxing
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🥋
Brazilian Jiu-Jitsu
Start learning
🤸
Calisthenics
Start learning
🏋️
CrossFit
Start learning
🚴
Cycling
Start learning
F
Fitness
Start learning
⛳
Golf
Start learning
⚡
HIIT
Start learning
🥋
Martial Arts
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🏓
Pickleball
Start learning
🤸
Pilates
Start learning
Alphabets
NATO phonetic alphabet
Optimem Labs
•
26 cards
Wikipedia Sourced
Audio
International Phonetic Alphabet
Optimem
•
228 cards
Wikipedia Sourced
Images
ASL: Alphabet
Optimem Labs
•
36 cards
Images
International Morse Code
Optimem Labs
•
36 cards
Wikipedia Sourced
Audio
Japanese: Hiragana
Optimem Labs
•
0 cards
Minecraft: Enchantment Script
zooMolga
•
27 cards
Images
Shavian Alphabet
24Forrin
•
48 cards
ASL: Fingerspelling Practice
Optimem Labs
•
53 cards
Japanese: Katakana
Optimem Labs
•
0 cards
Korean: Hangul alphabet
Optimem Labs
•
39 cards
Audio
Russian: Cyrillic alphabet
Optimem Labs
•
0 cards
Braille: Alphabet
Optimem Labs
•
47 cards
Images
Food & Drink
🍳
Cooking
Start learning
🥐
Baking
Start learning
☕
Specialty Coffee
Start learning
🔥
Barbecue
Start learning
🍞
Bread Making
Start learning
🍸
Cocktails
Start learning
☕
Coffee Flavor Wheel (SCA)
Start learning
🥬
Fermentation
Start learning
🔪
Five Mother Sauces & Knife Cuts
Start learning
🍺
Home Brewing
Start learning
N
Nutrition
Start learning
🍝
Pasta Making
Start learning
🧁
Pastry
Start learning
🍣
Sushi Making
Start learning
🍷
Wine Regions & Grape Varieties (WSET)
Start learning
🍷
Wine Tasting
Start learning
Phrases
Dutch: Essential Phrases
Optimem
•
174 cards
Sourced
AI-reviewed
Toki Pona: Essential phrases
Optimem Labs
•
61 cards
Fluent verified
Japanese: Essential phrases
Optimem Labs
•
0 cards
Spanish: Essential Phrases
Optimem
•
121 cards
Sourced
AI-reviewed
Russian: Essential phrases
Optimem Labs
•
0 cards
Norwegian: Essential phrases
Optimem Labs
•
0 cards
Chinese: Essential Phrases
Optimem
•
205 cards
Sourced
AI-reviewed
Science
⚛️
Physics
Start learning
🧬
Biology
Start learning
🧪
Chemistry
Start learning
🔭
Astronomy
Start learning
🧠
Neuroscience
Start learning
G
Genetics
Start learning
🌌
Astrophysics
Start learning
⚛️
Quantum Mechanics
Start learning
🧊
Condensed Matter Physics
Start learning
🦕
Dinosaurs
Start learning
E
Earth Science
Start learning
E
Ecology
Start learning
🧲
Electromagnetism
Start learning
🌊
Fluid Dynamics
Start learning
☢️
Nuclear Physics
Start learning
🔦
Optics & Photonics
Start learning
🔬
Particle Physics
Start learning
🧪
Periodic Table of Elements
Start learning
Vocabulary
Spanish: Essential words
Optimem Labs
•
404 cards
Audio
Dutch: Essential Words
Optimem
•
749 cards
Sourced
AI-reviewed
Toki Pona
Optimem Labs
•
125 cards
Fluent verified
Audio
French: Basic Words
Optimem
•
2394 cards
Sourced
AI-reviewed
Japanese: Basic vocabulary
Optimem Labs
•
0 cards
Chinese: Essential words
Optimem Labs
•
476 cards
Audio
Math
∫
Calculus
Start learning
A
Algebra
Start learning
📊
Statistics
Start learning
G
Geometry
Start learning
📐
Trigonometry
Start learning
🎲
Probability
Start learning
🔷
Abstract Algebra
Start learning
A
Arithmetic
Start learning
∫
Calculus (applied)
Start learning
🎰
Combinatorics
Start learning
🧮
Differential Equations
Start learning
➗
Discrete Math
Start learning
🕸️
Graph Theory
Start learning
🔢
Linear Algebra
Start learning
L
Logic
Start learning
🔢
Number Theory
Start learning
🥧
Pi Digits
Start learning
📈
Real Analysis
Start learning
Music
Piano keys
Optimem Labs
•
16 cards
Images
Musical intervals
Optimem Labs
•
22 cards
Audio
Musical modes
Optimem Labs
•
7 cards
Audio
Ideas & Humanities
🏛️
Philosophy
Start learning
📜
History
Start learning
📉
Economics
Start learning
J
Journalism
Start learning
☪️
99 Names of Allah
Start learning
A
Anthropology
Start learning
✒️
Creative Writing
Start learning
L
Law
Start learning
L
Linguistics
Start learning
📚
Literature
Start learning
🤔
Logical Fallacies
Start learning
🏺
Mythology Pantheons
Start learning
🌹
Poetry
Start learning
🏛️
Political Science
Start learning
R
Religious Studies
Start learning
👥
Sociology
Start learning
S
Storytelling
Start learning
Computers & Programming
AI Essentials
Optimem
•
40 cards
Rust Programming Language
Jonathan Sundqvist
•
212 cards
Binary: Numbers
Optimem Labs
•
0 cards
C# Keywords
knifecatcher
•
7 cards
Career & Business
📈
Investing
Start learning
M
Medicine
Start learning
A
Anatomy
Start learning
📣
Marketing
Start learning
🚀
Entrepreneurship
Start learning
💰
Personal Finance
Start learning
🎙️
Public Speaking
Start learning
👥
Leadership
Start learning
B
Business
Start learning
🤝
Negotiation
Start learning
N
Nursing
Start learning
💻
Software Engineering
Start learning
⚙️
Mechanical Engineering
Start learning
🔌
Electrical Engineering
Start learning
✈️
Aerospace Engineering
Start learning
📉
Data Analyst
Start learning
🏡
Real Estate Agent
Start learning
🧾
Accounting
Start learning
Geography
Country Flags
Optimem Labs
•
207 cards
Wikipedia Sourced
Images
USA: State Nicknames
zooMolga
•
50 cards
Mind & Learning
🧘
Meditation & Mindfulness
Start learning
🧠
Memory Palace
Start learning
🧩
MBTI / 16 Types
Start learning
🔮
Tarot
Start learning
♈
Astrology
Start learning
⭐
Enneagram
Start learning
💞
Attachment Styles
Start learning
C
Critical Thinking
Start learning
🎯
Deep Focus
Start learning
💗
Emotional Intelligence
Start learning
H
Habits & Behavior
Start learning
🧠
Memory Sports
Start learning
M
Memory Techniques
Start learning
🧮
Mental Math
Start learning
📝
Note-taking
Start learning
🧠
Psychology
Start learning
R
Reading & Comprehension
Start learning
R
Research Methods
Start learning
Games
Minecraft: Enchantment Script
zooMolga
•
27 cards
Images
L4D2 Special Infected Spawn Cues
Æweired
•
12 cards
Audio
Games & Puzzles
♟️
Chess
Start learning
🎴
Pokédex & Type Chart
Start learning
🗺️
GeoGuessr Meta
Start learning
🎲
Backgammon
Start learning
🎲
Board Games
Start learning
🂡
Bridge
Start learning
🔡
Crosswords
Start learning
🐉
Dungeons & Dragons
Start learning
🥊
Fighting Games
Start learning
🎯
FPS Games
Start learning
🎮
Frame Data
Start learning
⚫
Go (board game)
Start learning
⚔️
Hearthstone
Start learning
🧩
Logic Puzzles
Start learning
🎩
Magic Tricks
Start learning
🃏
Magic: The Gathering
Start learning
🀄
Mahjong
Start learning
🗡️
Pathfinder
Start learning
Miscellaneous
Periodic Table of Elements
Optimem
•
0 cards
Wikipedia Sourced
Tarot Cards
sagar
•
78 cards
Wikipedia Sourced
Images
Zodiac Signs
sagar
•
12 cards
Wikipedia Sourced
Images
Eggs
Æweired
•
11 cards
Images
Corporate Lingo
Anonymous
•
20 cards
Dutch: Essential Phrases
Optimem
•
174 cards
Sourced
AI-reviewed
Life & Hobbies
🏳️
World Flags (Vexillology)
Start learning
🏙️
Countries & Capitals
Start learning
🐦
Birding
Start learning
🪢
Knot Tying
Start learning
🔤
NATO Phonetic Alphabet
Start learning
🐝
Beekeeping
Start learning
✨
Constellations & Night Sky
Start learning
🐕
Dog Breeds (AKC)
Start learning
🦮
Dog Training
Start learning
👗
Fashion & Personal Style
Start learning
🎣
Fishing
Start learning
🍄
Foraging
Start learning
🌱
Gardening
Start learning
G
Geography
Start learning
🔡
Greek Alphabet
Start learning
H
Health & Wellness
Start learning
🥾
Hiking
Start learning
🧹
Home Organization
Start learning
Labs
French: Essential Words
Optimem
•
833 cards
Sourced
AI-reviewed
French: Essential Phrases
Optimem
•
268 cards
Sourced
AI-reviewed
French: Beginner Sentences
Optimem
•
560 cards
Sourced
AI-reviewed
French: Basic Words
Optimem
•
2394 cards
Sourced
AI-reviewed
Dutch: Essential Words
Optimem
•
749 cards
Sourced
AI-reviewed
Dutch: Essential Phrases
Optimem
•
174 cards
Sourced
AI-reviewed
Dutch: Beginner Sentences
Optimem
•
666 cards
Sourced
AI-reviewed
Dutch: Pronunciation
Optimem
•
125 cards
Audio
German: Essential Words
Optimem
•
466 cards
Sourced
AI-reviewed
German: Essential Phrases
Optimem
•
122 cards
Sourced
AI-reviewed
German: Beginner Sentences
Optimem
•
542 cards
Sourced
AI-reviewed
Spanish: Essential Words
Optimem
•
496 cards
Sourced
AI-reviewed
Spanish: Essential Phrases
Optimem
•
121 cards
Sourced
AI-reviewed
Spanish: Beginner Sentences
Optimem
•
533 cards
Sourced
AI-reviewed
Japanese: Essential Words
Optimem
•
525 cards
Sourced
AI-reviewed
Japanese: Essential Phrases
Optimem
•
192 cards
Sourced
AI-reviewed
Japanese: Beginner Sentences
Optimem
•
500 cards
Sourced
AI-reviewed
Chinese: Essential Words
Optimem
•
2171 cards
Sourced
AI-reviewed
Chinese: Essential Phrases
Optimem
•
205 cards
Sourced
AI-reviewed
Chinese: Beginner Sentences
Optimem
•
500 cards
Sourced
AI-reviewed
Korean: Essential Words
Optimem
•
556 cards
Sourced
AI-reviewed
Korean: Essential Phrases
Optimem
•
102 cards
Sourced
AI-reviewed
Korean: Beginner Sentences
Optimem
•
182 cards
Sourced
AI-reviewed
Hindi: Essential Words
Optimem
•
440 cards
Sourced
AI-reviewed
Hindi: Essential Phrases
Optimem
•
118 cards
Sourced
AI-reviewed
Hindi: Beginner Sentences
Optimem
•
194 cards
Sourced
AI-reviewed