frolic vs disport

frolic is a noun but disport is not a noun.

Word	Noun	Adjective	Verb	Adverb
frolic	Yes	No	Yes	No
disport	No	No	Yes	No

As verbs, frolic and disport are synonyms defined as:

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

frolic (noun)	disport (noun)
gay or light-hearted recreational activity for diversion or amusement

frolic (verb)	disport (verb)
play boisterously	play boisterously
	occupy in an agreeable, entertaining or pleasant fashion