semilunar bone vs carpal

semilunar bone and carpal both are nouns.

Word	Noun	Adjective	Verb	Adverb
semilunar bone	Yes	No	No	No
carpal	Yes	Yes	No	No

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

Other hypernyms of semilunar bone include carpal bone, wrist bone.

semilunar bone (noun)	carpal (noun)
one of the eight small wrist bones	any of the eight small bones of the wrist of primates

semilunar bone (adjective)	carpal (adjective)
	of or relating to the wrist