cave vs cove

cave and cove both are nouns.

Word	Noun	Adjective	Verb	Adverb
cave	Yes	No	Yes	No
cove	Yes	No	No	No

As nouns, cove is a hyponym of cave; that is, cove is a word with a more specific, narrower meaning than cave:

cave: a geological formation consisting of an underground enclosure with access from the surface of the ground or from the sea
cove: small or narrow cave in the side of a cliff or mountain

Other hyponyms of cave include cavern, grot, grotto.

cave (noun)	cove (noun)
a geological formation consisting of an underground enclosure with access from the surface of the ground or from the sea	a small inlet
	small or narrow cave in the side of a cliff or mountain

cave (verb)	cove (verb)
explore natural caves
hollow out as if making a cave or opening