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cavort▼(move/play boisterously)
verb
[UK: kə.ˈvɔːt] [US: kə.ˈvɔːrt]

frisk [frisked, frisking, frisks]▼(to frolic)
verb
[UK: frɪsk] [US: ˈfrɪsk]

frolic [frolicked, frolicking, frolics]▼(behave playfully and uninhibitedly)
verb
[UK: ˈfrɒ.lɪk] [US: ˈfrɑː.lɪk]

disport▼(to amuse oneself divertingly or playfully)
verb
[UK: dɪ.ˈspɔːt] [US: dɪ.ˈspɔːrt]