foul vs grime

foul and grime both are nouns.

Word	Noun	Adjective	Verb	Adverb
foul	Yes	Yes	Yes	No
grime	Yes	No	Yes	No

As verbs, grime is a hypernym of foul; that is, grime is a word with a broader meaning than foul:

Other hypernyms of foul include begrime, bemire, colly, dirty, soil.

As verbs, grime is a hypernym of foul; that is, grime is a word with a broader meaning than foul:

Other hypernyms of foul include begrime, bemire, colly, dirty, soil.

foul (noun)	grime (noun)
an act that violates the rules of a sport	anything regarded as making something unclean

foul (adjective)	grime (adjective)
(of a baseball) not hit between the foul lines
disgustingly dirty; filled or smeared with offensive matter
characterized by obscenity
(of a manuscript) defaced with changes
offensively malodorous
highly offensive; arousing aversion or disgust
especially of a ship's lines etc
violating accepted standards or rules

foul (verb)	grime (verb)
become soiled and dirty	make soiled, filthy, or dirty
make unclean
spot, stain, or pollute
make impure
commit a foul; break the rules
hit a foul ball
become or cause to become obstructed