projection vs rim

projection and rim both are nouns.

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

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

projection (noun)	rim (noun)
the act of expelling or projecting or ejecting	the top edge of a vessel or other container
the act of projecting out from something	a projection used for strength or for attaching to another object
any structure that branches out from a central support	the outer part of a wheel to which the tire is attached
the representation of a figure or solid on a plane as it would look from a particular direction	(basketball) the hoop from which the net is suspended
a planned undertaking	the shape of a raised edge of a more or less circular object
a prediction made by extrapolating from past observations
the projection of an image from a film onto a screen
the acoustic phenomenon that gives sound a penetrating quality
(psychiatry) a defense mechanism by which your own traits and emotions are attributed to someone else
any solid convex shape that juts out from something