brim vs rim

brim and rim both are nouns.

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

As nouns, brim and rim are synonyms defined as:

Other synonyms of brim include lip.

brim (noun)	rim (noun)
a circular projection that sticks outward from the crown of a hat	the top edge of a vessel or other container
the top edge of a vessel or other container	a projection used for strength or for attaching to another object
	the outer part of a wheel to which the tire is attached
	(basketball) the hoop from which the net is suspended
	the shape of a raised edge of a more or less circular object