lyophilize vs American spelling

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

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

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

lyophilize (verb)	American spelling (verb)
to dry (blood, serum, or tissue) by freezing in a high vacuum