grime vs crock

grime and crock both are nouns.

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

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

Other hyponyms of grime include foul, contaminate, foul, pollute, smear, slime, muddy, muddy up, splash, mire, muck, muck up, mud, blemish, spot.

grime (noun)	crock (noun)
anything regarded as making something unclean	an earthen jar (made of baked clay)
	nonsense; foolish talk
	a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink

grime (verb)	crock (verb)
make soiled, filthy, or dirty	soil with or as with crock
	release color when rubbed, of badly dyed fabric