potbelly stove vs kitchen range

potbelly stove and kitchen range both are nouns.

Word	Noun	Adjective	Verb	Adverb
potbelly stove	Yes	No	No	No
kitchen range	Yes	No	No	No

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

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

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