contamination vs contaminate

contamination is a noun but contaminate is not a noun.

Word	Noun	Adjective	Verb	Adverb
contamination	Yes	No	No	No
contaminate	No	No	Yes	No

contamination (noun)	contaminate (noun)
the act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors
the state of being contaminated
a substance that contaminates

contamination (verb)	contaminate (verb)
	make impure
	make radioactive by adding radioactive material