plow vs harrow

plow and harrow both are nouns.

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

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

Other hyponyms of plow include ridge, disk.

plow (noun)	harrow (noun)
a farm tool having one or more heavy blades to break the soil and cut a furrow prior to sowing	a cultivator that pulverizes or smooths the soil

plow (verb)	harrow (verb)
act on verbally or in some form of artistic expression	draw a harrow over (land)
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