Radicals › #83 氏
氏
氏 — the “clan” radical
family name 2 of the JLPT kanji on this site are built with it — recognizing the piece makes them far easier to remember.
Kanji using the 氏 radical (2)
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.