likeness vs compare

likeness and compare both are nouns.

Word	Noun	Adjective	Verb	Adverb
likeness	Yes	No	No	No
compare	Yes	No	Yes	No

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

likeness: similarity in appearance or character or nature between persons or things
compare: qualities that are comparable

likeness (noun)	compare (noun)
picture consisting of a graphic image of a person or thing	qualities that are comparable
similarity in appearance or character or nature between persons or things

likeness (verb)	compare (verb)
	examine and note the similarities or differences of
	consider or describe as similar, equal, or analogous
	to form the comparative or superlative form on an adjective or adverb
	be comparable