epaulette vs adornment

epaulette and adornment both are nouns.

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

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

epaulette: adornment consisting of an ornamental cloth pad worn on the shoulder
adornment: a decoration of color or interest that is added to relieve plainness

epaulette (noun)	adornment (noun)
adornment consisting of an ornamental cloth pad worn on the shoulder	the action of decorating yourself with something colorful and interesting
	a decoration of color or interest that is added to relieve plainness