flange vs rim

flange and rim both are nouns.

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

As nouns, flange and rim are synonyms defined as:

flange and rim: a projection used for strength or for attaching to another object

flange (noun)	rim (noun)
a projection used for strength or for attaching to another object	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