muck vs excretion

muck and excretion both are nouns.

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

muck (noun)	excretion (noun)
any thick, viscous matter	the bodily process of discharging waste matter
fecal matter of animals	waste matter (as urine or sweat but especially feces) discharged from the body

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