American spelling vs watercolor

American spelling and watercolor both are nouns.

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

American spelling (noun)	watercolor (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	the art or technique of painting with watercolors
	a painting produced with watercolors
	a water-base paint (with water-soluble pigments); used by artists
	water-soluble pigment

American spelling (verb)	watercolor (verb)
	paint with watercolors