philander vs flirt

philander is not a noun while flirt is a noun.

Word	Noun	Adjective	Verb	Adverb
philander	No	No	Yes	No
flirt	Yes	No	Yes	No

As verbs, philander and flirt are synonyms defined as:

philander and flirt: talk or behave amorously, without serious intentions

Other synonyms of philander include butterfly, chat up, coquet, coquette, dally, mash, romance.

philander (noun)	flirt (noun)
	playful behavior intended to arouse sexual interest
	a seductive woman who uses her sex appeal to exploit men

philander (verb)	flirt (verb)
talk or behave amorously, without serious intentions	talk or behave amorously, without serious intentions
have amorous affairs; of men	behave carelessly or indifferently