sanitisation vs sanitation

sanitisation and sanitation both are nouns.

Word	Noun	Adjective	Verb	Adverb
sanitisation	Yes	No	No	No
sanitation	Yes	No	No	No

As nouns, sanitisation and sanitation are synonyms defined as:

sanitisation and sanitation: making something sanitary (free of germs) as by sterilizing

Other synonyms of sanitisation include sanitization.

sanitisation (noun)	sanitation (noun)
making something sanitary (free of germs) as by sterilizing	making something sanitary (free of germs) as by sterilizing
	the state of being clean and conducive to health