blazon vs ornament

blazon and ornament both are nouns.

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

As verbs, ornament is a hypernym of blazon; that is, ornament is a word with a broader meaning than blazon:

Other hypernyms of blazon include adorn, beautify, decorate, embellish, grace.

blazon (noun)	ornament (noun)
the official symbols of a family, state, etc.	something used to beautify

blazon (verb)	ornament (verb)
decorate with heraldic arms	make more attractive by adding ornament, colour, etc.
	be an ornament to