ornamentation vs ornament

ornamentation and ornament both are nouns.

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

As nouns, ornamentation and ornament are synonyms defined as:

Other synonyms of ornamentation include decoration.

ornamentation (noun)	ornament (noun)
the act of adding extraneous decorations to something	something used to beautify
something used to beautify
the state of being ornamented

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