toying vs flirtation

toying and flirtation both are nouns.

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

As nouns, toying and flirtation are synonyms defined as:

toying and flirtation: playful behavior intended to arouse sexual interest

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

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