excreting vs elimination

excreting and elimination both are nouns.

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

As nouns, excreting and elimination are synonyms defined as:

excreting and elimination: the bodily process of discharging waste matter

Other synonyms of excreting include evacuation, excretion, voiding.

excreting (noun)	elimination (noun)
the bodily process of discharging waste matter	the murder of a competitor
	the act of removing or getting rid of something
	the act of removing an unknown mathematical quantity by combining equations
	analysis of a problem into alternative possibilities followed by the systematic rejection of unacceptable alternatives
	the bodily process of discharging waste matter