dalliance vs flirtation

dalliance and flirtation both are nouns.

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

As nouns, dalliance and flirtation are synonyms defined as:

dalliance and flirtation: playful behavior intended to arouse sexual interest

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

dalliance (noun)	flirtation (noun)
the deliberate act of delaying and playing instead of working	playful behavior intended to arouse sexual interest
playful behavior intended to arouse sexual interest