potbelly stove vs cooking stove

potbelly stove and cooking stove both are nouns.

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

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

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

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