Radicals › #17 凵
凵
凵 — the “open box” radical
open at the top 4 of the JLPT kanji on this site are built with it — recognizing the piece makes them far easier to remember.
Kanji using the 凵 radical (4)
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.