soil vs muck up

soil is a noun but muck up is not a noun.

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

As verbs, muck up is a hyponym of soil; that is, muck up 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, mud, crock, blemish, spot.

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

soil (verb)	muck up (verb)
make soiled, filthy, or dirty	soil with mud, muck, or mire
	make a mess of, destroy or ruin