excreting vs evacuation

excreting and evacuation both are nouns.

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

As nouns, excreting and evacuation are synonyms defined as:

excreting and evacuation: the bodily process of discharging waste matter

Other synonyms of excreting include elimination, excretion, voiding.

excreting (noun)	evacuation (noun)
the bodily process of discharging waste matter	the act of removing the contents of something
	the act of evacuating; leaving a place in an orderly fashion; especially for protection
	the bodily process of discharging waste matter