American spelling vs fiber

American spelling and fiber both are nouns.

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

American spelling (noun)	fiber (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	a leatherlike material made by compressing layers of paper or cloth
	the inherent complex of attributes that determines a persons moral and ethical actions and reactions
	any of several elongated, threadlike cells (especially a muscle fiber or a nerve fiber)
	coarse, indigestible plant food low in nutrients; its bulk stimulates intestinal peristalsis
	a slender and greatly elongated substance capable of being spun into yarn