unciform bone vs wrist bone

unciform bone and wrist bone both are nouns.

Word	Noun	Adjective	Verb	Adverb
unciform bone	Yes	No	No	No
wrist bone	Yes	No	No	No

As nouns, wrist bone is a hypernym of unciform bone; that is, wrist bone is a word with a broader meaning than unciform bone:

Other hypernyms of unciform bone include carpal, carpal bone.

unciform bone (noun)	wrist bone (noun)
the wrist bone in line with the 4th and 5th fingers	any of the eight small bones of the wrist of primates