American spelling vs pressurize

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

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

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

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