plow vs American spelling

plow and American spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
plow	Yes	No	Yes	No
American spelling	Yes	No	No	No

plow (noun)	American spelling (noun)
a farm tool having one or more heavy blades to break the soil and cut a furrow prior to sowing	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')

plow (verb)	American spelling (verb)
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