evacuation vs excretion

evacuation and excretion both are nouns.

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

As nouns, evacuation and excretion are synonyms defined as:

evacuation and excretion: the bodily process of discharging waste matter

Other synonyms of evacuation include elimination, excreting, voiding.

evacuation (noun)	excretion (noun)
the act of removing the contents of something	the bodily process of discharging waste matter
the act of evacuating; leaving a place in an orderly fashion; especially for protection	waste matter (as urine or sweat but especially feces) discharged from the body
the bodily process of discharging waste matter