navicular vs wrist bone

navicular and wrist bone both are nouns.

Word	Noun	Adjective	Verb	Adverb
navicular	Yes	Yes	No	No
wrist bone	Yes	No	No	No

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

Other hypernyms of navicular include carpal, carpal bone.

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

navicular (adjective)	wrist bone (adjective)
shaped like a boat