birdnest vs garner

birdnest and garner both are nouns.

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

As verbs, garner is a hypernym of birdnest; that is, garner is a word with a broader meaning than birdnest:

Other hypernyms of birdnest include collect, gather, pull together.

birdnest (noun)	garner (noun)
nest where birds lay their eggs and hatch their young	a storehouse for threshed grain or animal feed

birdnest (verb)	garner (verb)
gather birdnests	assemble or get together
	store grain
	acquire or deserve by one's efforts or actions