Dalliance
Part of speech: noun
Definition: A trifling away of time - dawdling. Amorous toying - flirtation. A sexual relationship, not serious, often illicit (often used in plural in describing someone who has many such relationships, either consecutively or over time) - affair
Coquetry
Part of speech: noun
Definition: An affectation of amorous tenderness, especially of a woman directed towards a man.