accoutrement vs accouterment

accoutrement and accouterment both are nouns.

Word	Noun	Adjective	Verb	Adverb
accoutrement	Yes	No	No	No
accouterment	Yes	No	No	No

As nouns, accoutrement and accouterment are synonyms defined as:

accoutrement and accouterment: clothing that is worn or carried, but not part of your main clothing

Other synonyms of accoutrement include accessory.

accoutrement (noun)	accouterment (noun)
clothing that is worn or carried, but not part of your main clothing	clothing that is worn or carried, but not part of your main clothing