potbelly vs cooking stove

potbelly and cooking stove both are nouns.

Word	Noun	Adjective	Verb	Adverb
potbelly	Yes	No	No	No
cooking stove	Yes	No	No	No

As nouns, cooking stove is a hypernym of potbelly; that is, cooking stove is a word with a broader meaning than potbelly:

Other hypernyms of potbelly include kitchen range, kitchen stove, range, stove.

potbelly (noun)	cooking stove (noun)
a bulbous stove in which wood or coal is burned	a kitchen appliance used for cooking food
slang for a paunch