comparative vs worse

comparative and worse both are nouns.

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

comparative (noun)	worse (noun)
the comparative form of an adjective or adverb	something inferior in quality or condition or effect

comparative (adjective)	worse (adjective)
estimated by comparison; not absolute or complete	(comparative of `bad') inferior to another in quality or condition or desirability
relating to or based on or involving comparison	changed for the worse in health or fitness

comparative (adverb)	worse (adverb)
	(comparative of `ill') in a less effective or successful or desirable manner