alikeness vs compare

alikeness and compare both are nouns.

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

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

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

alikeness (noun)	compare (noun)
similarity in appearance or character or nature between persons or things	qualities that are comparable

alikeness (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