os trapezoideum vs carpal bone

os trapezoideum and carpal bone both are nouns.

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

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

os trapezoideum: the wrist bone between the trapezium and the capitate bones
carpal bone: any of the eight small bones of the wrist of primates

Other hypernyms of os trapezoideum include carpal, wrist bone.

os trapezoideum (noun)	carpal bone (noun)
the wrist bone between the trapezium and the capitate bones	any of the eight small bones of the wrist of primates