fluky vs fluke

fluky is not a noun while fluke is a noun.

Word	Noun	Adjective	Verb	Adverb
fluky	No	Yes	No	No
fluke	Yes	No	No	No

fluky (noun)	fluke (noun)
	parasitic flatworms having external suckers for attaching to a host
	either of the two lobes of the tail of a cetacean
	flat bladelike projection on the arm of an anchor
	a barb on a harpoon or arrow
	a stroke of luck

fluky (adjective)	fluke (adjective)
subject to accident or chance or change