garner vs muster

garner and muster both are nouns.

Word	Noun	Adjective	Verb	Adverb
garner	Yes	No	Yes	No
muster	Yes	No	Yes	No

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

garner (noun)	muster (noun)
a storehouse for threshed grain or animal feed	compulsory military service
	a gathering of military personnel for duty

garner (verb)	muster (verb)
assemble or get together	call to duty, military service, jury duty, etc.
store grain	gather or bring together
acquire or deserve by one's efforts or actions