brim vs snap brim

brim and snap brim both are nouns.

Word	Noun	Adjective	Verb	Adverb
brim	Yes	No	Yes	No
snap brim	Yes	No	No	No

As nouns, snap brim is a hyponym of brim; that is, snap brim is a word with a more specific, narrower meaning than brim:

Other hyponyms of brim include bill, eyeshade, peak, visor, vizor.

brim (noun)	snap brim (noun)
a circular projection that sticks outward from the crown of a hat	a brim that can be turned up and down on opposite sides
the top edge of a vessel or other container

brim (verb)	snap brim (verb)
fill as much as possible
be completely full