offbeat vs kinky

offbeat is a noun but kinky is not a noun.

Word	Noun	Adjective	Verb	Adverb
offbeat	Yes	Yes	No	No
kinky	No	Yes	No	No

As adjectives, offbeat and kinky are synonyms defined as:

Other synonyms of offbeat include far-out, quirky, way-out.

offbeat (noun)	kinky (noun)
an unaccented beat (especially the last beat of a measure)

offbeat (adjective)	kinky (adjective)
(informal) strikingly unconventional	(used of sexual behavior) showing or appealing to bizarre or deviant tastes
	(of hair) in small tight curls
	(informal) strikingly unconventional