COCA 16515: Master English Vocabulary Efficiently
COCA 16515: Master English Vocabulary Efficiently By Q.Z.L Team | Published on 2026-01-20 We’re excited to announce COCA 16515 , a vocabulary learning app designed to help learners master the 16,515 most frequent English words from the Corpus of Contemporary American English (COCA) . Built from my own experience preparing for IELTS and Canadian PR, this app turns a huge word list into a fun, structured learning journey. Demo Video What it does 16,515 COCA words with bilingual definitions (English–Chinese). Context-rich examples, multiple usages, and pronunciation guides. Flashcards, quizzes, and progress tracking (XP, streaks, mastery goals). Interactive web and mobile apps for study anywhere, anytime. Try it now: Web App | Android w/ ads | Android Paid, no ads Inspiration While preparing for IELTS, I realized that studyi...