cordon vs adornment

cordon and adornment both are nouns.

Word	Noun	Adjective	Verb	Adverb
cordon	Yes	No	No	No
adornment	Yes	No	No	No

As nouns, adornment is a hypernym of cordon; that is, adornment is a word with a broader meaning than cordon:

cordon: adornment consisting of an ornamental ribbon or cord
adornment: a decoration of color or interest that is added to relieve plainness

cordon (noun)	adornment (noun)
adornment consisting of an ornamental ribbon or cord	the action of decorating yourself with something colorful and interesting
cord or ribbon worn as an insignia of honor or rank	a decoration of color or interest that is added to relieve plainness
a series of sentinels or of military posts enclosing or guarding some place or thing