os scaphoideum vs wrist bone

os scaphoideum and wrist bone both are nouns.

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

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

Other hypernyms of os scaphoideum include carpal, carpal bone.

os scaphoideum (noun)	wrist bone (noun)
the largest wrist bone on the thumb side	any of the eight small bones of the wrist of primates