trappings vs accouterment

trappings and accouterment both are nouns.

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

As nouns, accouterment is a hypernym of trappings; that is, accouterment is a word with a broader meaning than trappings:

trappings: (usually plural) accessory wearing apparel
accouterment: clothing that is worn or carried, but not part of your main clothing

Other hypernyms of trappings include accessory, accoutrement.

trappings (noun)	accouterment (noun)
(usually plural) accessory wearing apparel	clothing that is worn or carried, but not part of your main clothing