drench vs ply

drench is not a noun while ply is a noun.

Word	Noun	Adjective	Verb	Adverb
drench	No	No	Yes	No
ply	Yes	No	Yes	No

As verbs, ply is a hypernym of drench; that is, ply is a word with a broader meaning than drench:

Other hypernyms of drench include cater, provide, supply.

drench (noun)	ply (noun)
	(usually in combinations) one of several layers of cloth or paper or wood as in plywood
	one of the strands twisted together to make yarn or rope or thread; often used in combination

drench (verb)	ply (verb)
cover with liquid; pour liquid onto	give what is desired or needed, especially support, food or sustenance
permeate or impregnate	use diligently
force to drink	wield vigorously
drench or submerge or be drenched or submerged	join together as by twisting, weaving, or molding
	travel a route regularly
	apply oneself diligently