soil vs muck

soil and muck both are nouns.

Word	Noun	Adjective	Verb	Adverb
soil	Yes	No	Yes	No
muck	Yes	No	Yes	No

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

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

soil (noun)	muck (noun)
the geographical area under the jurisdiction of a sovereign state	any thick, viscous matter
material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use)	fecal matter of animals
anything regarded as making something unclean
the part of the earth's surface consisting of humus and disintegrated rock

soil (verb)	muck (verb)
make soiled, filthy, or dirty	remove muck, clear away muck, as in a mine
	soil with mud, muck, or mire
	spread manure, as for fertilization