Vocabulary · CEFR C1
C1 Vocabulary
9 themed topics. Choose one to learn and practise its word sets.
Vocabulary categories
Pick a topic to start or continue its word sets.
Academic English
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Professional Vocabulary
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Research
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Law
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Medicine
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Business
Challenge2 words
Leadership
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Critical Thinking
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Formal Communication
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Tap the heart on any word while learning and it lands here for focused review.
How every lesson works
The same eight steps at every level, so you always know what's next.
- 1
Overview
See the goal, word count and time.
- 2
Learn Words
Meet each word with meaning and example.
- 3
Flashcards
Recall from memory, then rate yourself.
- 4
Practice
Use the words in short activities.
- 5
Mini Quiz
One quick check before moving on.
- 6
Review
Words return on day 1, 3, 7, 14, 30.
- 7
Mastery
Words you can now use confidently.
- 8
Recommendation
What to study next.
Find a word
Search this level, or filter by category.
2 words
Practice activities
Every category practises with these activity types.
SRS
Flashcards
Spaced-repetition cards that resurface a word right before you forget it.
Pairing
Matching
Match each word to its meaning, image, or partner word.
Quiz
Multiple Choice
Quick-fire checks on meaning, form and collocation.
Cloze
Fill in the Blank
Place the right word into a natural sentence context.
Morphology
Word Builder
Build word families from a root: teach → teacher → teaching.
Production
Sentence Builder
Assemble a correct sentence using today's target words.
Accuracy
Spelling Practice
Type the word from audio — spelling locks the form in memory.
Audio
Listening Recognition
Hear the word at natural speed and pick what you heard.
Voice
Pronunciation Practice
Record the word and compare with the model pronunciation.
Inference
Context Guessing
Guess meaning from a sentence before revealing the definition.
Review
Review Cards
Only the words your schedule says are due today.