plumage vs body covering

plumage and body covering both are nouns.

Word	Noun	Adjective	Verb	Adverb
plumage	Yes	No	No	No
body covering	Yes	No	No	No

As nouns, body covering is a hypernym of plumage; that is, body covering is a word with a broader meaning than plumage:

plumage: the light horny waterproof structure forming the external covering of birds
body covering: any covering for the body or a body part

Other hypernyms of plumage include animal material.

plumage (noun)	body covering (noun)
the light horny waterproof structure forming the external covering of birds	any covering for the body or a body part