bay window vs potbelly

bay window and potbelly both are nouns.

Word	Noun	Adjective	Verb	Adverb
bay window	Yes	No	No	No
potbelly	Yes	No	No	No

As nouns, bay window and potbelly are synonyms defined as:

Other synonyms of bay window include corporation, pot, tummy.

bay window (noun)	potbelly (noun)
a window that sticks out from the outside wall of a house	a bulbous stove in which wood or coal is burned
slang for a paunch	slang for a paunch