sterilisation vs sterilise

sterilisation is a noun but sterilise is not a noun.

Word	Noun	Adjective	Verb	Adverb
sterilisation	Yes	No	No	No
sterilise	No	No	Yes	No

sterilisation (noun)	sterilise (noun)
the act of making an organism barren or infertile (unable to reproduce)
the procedure of making some object free of live bacteria or other microorganisms (usually by heat or chemical means)

sterilisation (verb)	sterilise (verb)
	make infertile
	make free from bacteria