embellish vs ornament

embellish is not a noun while ornament is a noun.

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

As verbs, embellish and ornament are synonyms defined as:

embellish and ornament: make more attractive by adding ornament, colour, etc.

Other synonyms of embellish include adorn, beautify, decorate, grace.

As verbs, ornament is a hyponym of embellish; that is, ornament is a word with a more specific, narrower meaning than embellish:

embellish (noun)	ornament (noun)
	something used to beautify

embellish (verb)	ornament (verb)
make more beautiful	make more attractive by adding ornament, colour, etc.
add details to	be an ornament to
make more attractive by adding ornament, colour, etc.
be beautiful to look at