plow vs comprehend

plow is a noun but comprehend is not a noun.

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

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

plow (verb)	comprehend (verb)
act on verbally or in some form of artistic expression	get the meaning of something
to break and turn over earth especially with a plow	to become aware of through the senses
move in a way resembling that of a plow cutting into or going through the soil	include in scope; include as part of something broader; have as one's sphere or territory