knife-handle vs clam

knife-handle and clam both are nouns.

Word	Noun	Adjective	Verb	Adverb
knife-handle	Yes	No	No	No
clam	Yes	No	Yes	No

As nouns, clam is a hypernym of knife-handle; that is, clam is a word with a broader meaning than knife-handle:

knife-handle: marine clam having a long narrow curved thin shell
clam: burrowing marine mollusk living on sand or mud; the shell closes with viselike firmness

knife-handle (noun)	clam (noun)
marine clam having a long narrow curved thin shell	burrowing marine mollusk living on sand or mud; the shell closes with viselike firmness
	flesh of either hard-shell or soft-shell clams
	a piece of paper money worth one dollar

knife-handle (verb)	clam (verb)
	gather clams, by digging in the sand by the ocean