ornament vs ornamental

ornament and ornamental both are nouns.

Word	Noun	Adjective	Verb	Adverb
ornament	Yes	No	Yes	No
ornamental	Yes	Yes	No	No

ornament (noun)	ornamental (noun)
something used to beautify	any plant grown for its beauty or ornamental value

ornament (adjective)	ornamental (adjective)
	serving an esthetic rather than a useful purpose

ornament (verb)	ornamental (verb)
make more attractive by adding ornament, colour, etc.
be an ornament to