urticate vs lash

urticate is not a noun while lash is a noun.

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

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

Other hypernyms of urticate include whip.

urticate (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

urticate (verb)	lash (verb)
sting with or as with nettles and cause a stinging pain or sensation	strike as if by whipping
whip with or as with nettles	beat severely with a whip or rod
	bind with a rope, chain, or cord
	lash or flick about sharply