elimination vs voiding

elimination and voiding both are nouns.

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

As nouns, elimination and voiding are synonyms defined as:

Other synonyms of elimination include evacuation, excreting, excretion.

elimination (noun)	voiding (noun)
the murder of a competitor	the bodily process of discharging waste matter
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