lark vs romp

lark and romp both are nouns.

Word	Noun	Adjective	Verb	Adverb
lark	Yes	No	Yes	No
romp	Yes	No	Yes	No

As verbs, lark and romp are synonyms defined as:

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

lark (noun)	romp (noun)
any carefree episode	gay or light-hearted recreational activity for diversion or amusement
any of numerous predominantly Old World birds noted for their singing	an easy victory
a songbird that lives mainly on the ground in open country; has streaky brown plumage	a girl who behaves in a boyish manner
North American songbirds having a yellow breast