pressurize vs American spelling

pressurize is not a noun while American spelling is a noun.

Word	Noun	Adjective	Verb	Adverb
pressurize	No	No	Yes	No
American spelling	Yes	No	No	No

pressurize (noun)	American spelling (noun)
	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')

pressurize (verb)	American spelling (verb)
increase the pressure in or of
maintain a certain pressure
increase the pressure on a gas or liquid