capitate bone vs os capitatum

capitate bone and os capitatum both are nouns.

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

As nouns, capitate bone and os capitatum are synonyms defined as:

capitate bone and os capitatum: the wrist bone with a rounded head shape that articulates with the 3rd metacarpus

Other synonyms of capitate bone include capitate.

capitate bone (noun)	os capitatum (noun)
the wrist bone with a rounded head shape that articulates with the 3rd metacarpus	the wrist bone with a rounded head shape that articulates with the 3rd metacarpus