に就て[nitsuite] concerning
に就き[nitsuki] because of
去就[kyoshuu] committing one's self
就いては[tsuiteha] in line with this
就きましては[tsukimashiteha] in line with this

就く[tsuku] to ascend (the throne)
就ける[tsukeru] to install (a king, emperor, etc.)
就学[shuugaku] entering school
就学義務[shuugakugimu] compulsory school attendance
就学児童[shuugakujidou] school child

沓下[kutsushita] socks
沓直鳥[hototogisu] lesser cuckoo (Cuculus poliocephalus)
わら沓[waragutsu] straw boots
雑沓[zattou] congestion
浅沓[asagutsu] shallow clogs (worn by nobles; originally made of leather, later made of black lacquered paulownia)

深沓[fukagutsu] deep boots
雪沓[yukigutsu] snow boots or shoes
沓脱[kutsunugi] place where one can remove one's shoes before entering a house
沓脱ぎ石[kutsunugiishi] stepping stone