TsuboiJapanese From Japanese 坪 (tsubo) referring to a traditional unit of length or 壺 or 壷 (tsubo) meaning "container, pot, jar" and 井 (i) meaning "well, mine".
TsukamotoJapanese From Japanese 塚 (tsuka) meaning "mound, hillock" or 柄 (tsuka) meaning "design, pattern" or "handle, hilt" and 本 (moto) meaning "base, root, origin".
UbukataJapanese From 生 (ubu) meaning "life, live, raw, fresh" or 冲 (ubu) meaning "offing, open sea" and 方 (kata) meaning "person, alternative, square, direction".
UchiaiJapanese Uchi means "inside" and ai means "together, join", "indigo" or "love, affection".