elimination vs laxation

elimination and laxation both are nouns.

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

As nouns, laxation is a hyponym of elimination; that is, laxation is a word with a more specific, narrower meaning than elimination:

Other hyponyms of elimination include defecation, shitting, incontinence, incontinency, micturition, urination.

elimination (noun)	laxation (noun)
the murder of a competitor	the act of making something less tight
the act of removing or getting rid of something	the elimination of fecal waste through the anus
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