lark about vs gambol

lark about is not a noun while gambol is a noun.

Word	Noun	Adjective	Verb	Adverb
lark about	No	No	Yes	No
gambol	Yes	No	Yes	No

As verbs, lark about and gambol are synonyms defined as:

Other synonyms of lark about include cavort, disport, frisk, frolic, lark, rollick, romp, run around, skylark, sport.

lark about (noun)	gambol (noun)
	gay or light-hearted recreational activity for diversion or amusement

lark about (verb)	gambol (verb)
play boisterously	play boisterously