discuss vs plow

discuss is not a noun while plow is a noun.

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

As verbs, plow is a hypernym of discuss; that is, plow is a word with a broader meaning than discuss:

Other hypernyms of discuss include address, cover, deal, handle, treat.

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

discuss (verb)	plow (verb)
speak with others about (something); talk (something) over in detail; have a discussion	act on verbally or in some form of artistic expression
to consider or examine in speech or writing	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