Sumi: Korean CSAT Vocabulary

Sumi is a vocabulary app built for Korea's CSAT English exam, KICE mock tests, and EBS study materials. See how often a word appeared and where it was used. Start with the sentence containing the word, then open the original question and reveal its answer when you need the full context. Key features - Separate frequency evidence for CSAT, KICE mock tests, and EBS - Original occurrence sentences and question context - Example sentences with Korean translations - Word families that connect inflected forms - Synonyms and antonyms presented in context - Saved folders and a filterable vocabulary list - Flashcards and games built from your saved word packs Study the words that matter, backed by actual exam evidence.