1) Caper 2) Dalliance 3) Flirt 4) Flirtation 5) Flirting 6) Frolic 7) French word used in English 8) Gambol 9) Play 10) Romp 11) Toying 12) Trifling Found on https://www.crosswordclues.com/clue/coquetry
Co·quet'ry noun ; plural Coquetries . [ French coquetterie .] Attempts to attract admiration, notice, or love, for the mere gratification of vanity; trifling in love. 'Little affectations of coquetry .' Addison. Found on http://www.encyclo.co.uk/webster/C/158