frap vs lash

frap is not a noun while lash is a noun.

Word	Noun	Adjective	Verb	Adverb
frap	No	No	Yes	No
lash	Yes	No	Yes	No

As verbs, lash is a hypernym of frap; that is, lash is a word with a broader meaning than frap:

frap (noun)	lash (noun)
	a quick blow delivered with a whip or whiplike object
	leather strip that forms the flexible part of a whip
	any of the short curved hairs that grow from the edges of the eyelids

frap (verb)	lash (verb)
take up the slack of	strike as if by whipping
make secure by lashing	beat severely with a whip or rod
	bind with a rope, chain, or cord
	lash or flick about sharply