os capitatum vs wrist bone

os capitatum and wrist bone both are nouns.

Word	Noun	Adjective	Verb	Adverb
os capitatum	Yes	No	No	No
wrist bone	Yes	No	No	No

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

os capitatum: the wrist bone with a rounded head shape that articulates with the 3rd metacarpus
wrist bone: any of the eight small bones of the wrist of primates

Other hypernyms of os capitatum include carpal, carpal bone.

os capitatum (noun)	wrist bone (noun)
the wrist bone with a rounded head shape that articulates with the 3rd metacarpus	any of the eight small bones of the wrist of primates