os capitatum vs carpal bone

os capitatum and carpal bone both are nouns.

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

As nouns, carpal bone is a hypernym of os capitatum; that is, carpal 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
carpal bone: any of the eight small bones of the wrist of primates

Other hypernyms of os capitatum include carpal, wrist bone.

os capitatum (noun)	carpal 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