lash vs flagellate

lash and flagellate both are nouns.

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

As verbs, flagellate is a hyponym of lash; that is, flagellate is a word with a more specific, narrower meaning than lash:

Other hyponyms of lash include scourge, leather, horsewhip, switch, cowhide, cat, birch.

lash (noun)	flagellate (noun)
a quick blow delivered with a whip or whiplike object	a usually nonphotosynthetic free-living protozoan with whiplike appendages; some are pathogens of humans and other animals
leather strip that forms the flexible part of a whip
any of the short curved hairs that grow from the edges of the eyelids

lash (adjective)	flagellate (adjective)
	having or resembling a lash or whip (as does a flagellum)

lash (verb)	flagellate (verb)
strike as if by whipping	whip
beat severely with a whip or rod
bind with a rope, chain, or cord
lash or flick about sharply