cleanse vs floss

cleanse is not a noun while floss is a noun.

Word	Noun	Adjective	Verb	Adverb
cleanse	No	No	Yes	No
floss	Yes	No	Yes	No

As verbs, floss is a hyponym of cleanse; that is, floss is a word with a more specific, narrower meaning than cleanse:

Other hyponyms of cleanse include bathe, wash, lave, wash, lather, soap, douche, decontaminate.

cleanse (noun)	floss (noun)
	a soft loosely twisted thread used in embroidery
	a soft thread for cleaning the spaces between the teeth

cleanse (verb)	floss (verb)
clean one's body or parts thereof, as by washing	use dental floss to clean
purge of an ideology, bad thoughts, or sins