potbelly vs bay window

potbelly and bay window both are nouns.

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

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

Other synonyms of potbelly include corporation, pot, tummy.

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