Radicals › #116 穴
穴
穴 — the “cave” radical
the 穴 “hole” crown — openings 9 of the JLPT kanji on this site are built with it — recognizing the piece makes them far easier to remember.
Kanji using the 穴 radical (9)
空empty, sky究research, study突stab, protruding窓window, pane穴hole, aperture窮hard up, destitute窒plug up, obstruct窃stealth, steal窯kiln, oven
Radicals (部首, bushu) are the shared building blocks of kanji, used to sort them in every dictionary. Learn the common ones and new kanji stop looking random.