flirting vs toying

flirting and toying both are nouns.

Word	Noun	Adjective	Verb	Adverb
flirting	Yes	No	No	No
toying	Yes	No	No	No

As nouns, flirting and toying are synonyms defined as:

flirting and toying: playful behavior intended to arouse sexual interest

Other synonyms of flirting include coquetry, dalliance, flirt, flirtation.

flirting (noun)	toying (noun)
playful behavior intended to arouse sexual interest	playful behavior intended to arouse sexual interest