riddance vs elimination

riddance and elimination both are nouns.

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

As nouns, riddance and elimination are synonyms defined as:

riddance and elimination: the act of removing or getting rid of something

riddance (noun)	elimination (noun)
the act of forcing out someone or something	the murder of a competitor
the act of removing or getting rid of something	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