capsulize vs American spelling

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

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

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

capsulize (verb)	American spelling (verb)
put in a short or concise form; reduce in volume
enclose in a capsule