bay window vs corporation

bay window and corporation both are nouns.

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

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

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

bay window (noun)	corporation (noun)
a window that sticks out from the outside wall of a house	slang for a paunch
slang for a paunch	a business firm whose articles of incorporation have been approved in some state