compare vs differentiate

compare is a noun but differentiate is not a noun.

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

compare (noun)	differentiate (noun)
qualities that are comparable

compare (verb)	differentiate (verb)
examine and note the similarities or differences of	become distinct and acquire a different character
consider or describe as similar, equal, or analogous	become different during development
to form the comparative or superlative form on an adjective or adverb	evolve so as to lead to a new species or develop in a way most suited to the environment
be comparable	calculate a derivative; take the derivative
	mark as different
	be a distinctive feature, attribute, or trait; sometimes in a very positive sense