Radicals › #31 囗
囗
囗 — the “enclosure” radical
a full box around the kanji 12 of the JLPT kanji on this site are built with it — recognizing the piece makes them far easier to remember.
Kanji using the 囗 radical (12)
国country四four回-times, round団group, association図map, drawing園park, garden因cause, factor固harden, set囲surround, besiege困quandary, become distressed圏sphere, circle囚captured, criminal
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.