comparative vs comparison

comparative and comparison both are nouns.

Word	Noun	Adjective	Verb	Adverb
comparative	Yes	Yes	No	No
comparison	Yes	No	No	No

comparative (noun)	comparison (noun)
the comparative form of an adjective or adverb	the act of examining resemblances
	qualities that are comparable
	relation based on similarities and differences

comparative (adjective)	comparison (adjective)
estimated by comparison; not absolute or complete
relating to or based on or involving comparison