delve vs plow

delve is not a noun while plow is a noun.

Word	Noun	Adjective	Verb	Adverb
delve	No	No	Yes	No
plow	Yes	No	Yes	No

delve (noun)	plow (noun)
	a farm tool having one or more heavy blades to break the soil and cut a furrow prior to sowing

delve (verb)	plow (verb)
turn up, loosen, or remove earth	act on verbally or in some form of artistic expression
	to break and turn over earth especially with a plow
	move in a way resembling that of a plow cutting into or going through the soil