Synonyms of friskiness

2 Syllables
coyishness, mischief, pranksters, prankster
3 Syllables
devilment, peppiness, coltishness, playfulness, prankishness, impishness, roguery, roguishness, waggery, waggishness, waywardness
4 Syllables
spiritedness, liveliness, coquettishness, kittenishness, agility, mischievousness, rascality, sportiveness
5 Syllables
frolicsomeness, exuberance