English - Vocabulary C1–C2: Advanced
1321 C1–C2 English words for academic and advanced expression
A 1,321-word C1–C2 English vocabulary deck for learners with a strong B2 foundation, focused on academics, advanced reading, and precise expression in essays and formal communication.
Why this pack?
Advanced C1–C2 vocabulary
Focuses on academic reading and more precise, sophisticated expression.
Vocabulary for academic writing
Prioritizes words useful in essays, reports, and formal academic texts.
Clear differences in nuance
Learn how near-synonyms differ so you can choose more precise words.
Advanced pronunciation practice
Audio helps you hear and practice longer and more academic words.
Preview the words
everyone or anyone, an ordinary, undistinguished or common person/people taken at random
“The golf club is very exclusive. They don't let any Tom, Dick and Harry join.”
a detailed plan for a journey, especially a list of places to visit
“We planned our itinerary several weeks before the trip.”
thoroughly weary, discouraged, or bored
“People are flat out sick and tired of losing their jobs to cheaper foreign labour.”
to be completely full or crowded
“Keep stuffing your pockets full; they're going to burst at the seams.”
criticizing others for the very fault one possesses
“Sean called me a liar – that's the pot calling the kettle black!”
peasant; an uneducated or unsophisticated person from the countryside
“She doesn't like that place because everyone there is a hick.”
Lock the words in with smart quizzes
Learning is only half of it — practice is what makes words stick. Koki has 6 quiz modes to drive vocabulary into long-term memory.
Handwriting practice
Practise Hanzi, Kanji and Hangul stroke by stroke — built for Chinese, Japanese and Korean
Tricky word drills
Retype the words you keep forgetting — spelling and character accuracy
Writing with AI
AI builds fresh sentences from words you have learned — you write, AI scores and suggests fixes
Mini Quiz
5–10 quick questions a day — a vocabulary check in under 2 minutes
Matching Quiz
Match words to meanings — the familiar exam format, fast paced, sharpens recall
Full pack test
Generate a test over the whole pack — multiple choice, fill in the blank and short answer
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