epaulet vs epaulette

epaulet and epaulette both are nouns.

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

As nouns, epaulet and epaulette are synonyms defined as:

epaulet and epaulette: adornment consisting of an ornamental cloth pad worn on the shoulder

epaulet (noun)	epaulette (noun)
adornment consisting of an ornamental cloth pad worn on the shoulder	adornment consisting of an ornamental cloth pad worn on the shoulder