garment vs coat

garment and coat both are nouns.

Word	Noun	Adjective	Verb	Adverb
garment	Yes	No	Yes	No
coat	Yes	No	Yes	No

As verbs, coat is a hyponym of garment; that is, coat is a word with a more specific, narrower meaning than garment:

garment (noun)	coat (noun)
an article of clothing	growth of hair or wool or fur covering the body of an animal
	an outer garment that has sleeves and covers the body from shoulder down; worn outdoors
	a thin layer covering something

garment (verb)	coat (verb)
provide with clothes or put clothes on	cover or provide with a coat
	put a coat on; cover the surface of; furnish with a surface
	form a coat over