lark vs frisk

lark and frisk both are nouns.

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

As verbs, lark and frisk are synonyms defined as:

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

lark (noun)	frisk (noun)
any carefree episode	the act of searching someone for concealed weapons or illegal drugs
any of numerous predominantly Old World birds noted for their singing
a songbird that lives mainly on the ground in open country; has streaky brown plumage
North American songbirds having a yellow breast

lark (verb)	frisk (verb)
play boisterously	search as for concealed weapons by running the hands rapidly over the clothing and through the pockets
	play boisterously