bind vs lash

bind and lash both are nouns.

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

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

Other hyponyms of bind include gag, muzzle, retie, bind off, tie up, loop, cord, lash together, truss, leash, rope, strap, knot, band, lace, lace up.

bind (noun)	lash (noun)
something that hinders as if with bonds	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

bind (verb)	lash (verb)
cause to be constipated	strike as if by whipping
form a chemical bond with	beat severely with a whip or rod
bind by an obligation; cause to be indebted	bind with a rope, chain, or cord
make fast; tie or secure, with or as if with a rope	lash or flick about sharply
fasten or secure with a rope, string, or cord
provide with a binding
stick to firmly
secure with or as if with ropes
wrap around with something so as to cover or enclose
create social or emotional ties