computerise vs computer

computerise is not a noun while computer is a noun.

Word	Noun	Adjective	Verb	Adverb
computerise	No	No	Yes	No
computer	Yes	No	No	No

computerise (noun)	computer (noun)
	a machine for performing calculations automatically
	an expert at calculation (or at operating calculating machines)

computerise (verb)	computer (verb)
control a function, process, or creation by a computer
store in a computer
provide with computers