evacuation vs excreting

evacuation and excreting both are nouns.

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

As nouns, evacuation and excreting are synonyms defined as:

evacuation and excreting: the bodily process of discharging waste matter

Other synonyms of evacuation include elimination, excretion, voiding.

evacuation (noun)	excreting (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
the bodily process of discharging waste matter