voiding vs excreting

voiding and excreting both are nouns.

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

As nouns, voiding and excreting are synonyms defined as:

Other synonyms of voiding include elimination, evacuation, excretion.

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