陥 JLPT N1 Kanji 陥 — collapse, fall into, cave in, fall (castle), slide into JLPT N1 10 strokes Secondary (Jōyō) Radical 阜 #1154 most frequent Readings On'yomiカン Kun'yomiおちい.るおとしい.れる Example words 欠陥けっかん(1) defect; fault; deficiency; deformity (2) shortage; gap