gas range vs cooking stove

gas range and cooking stove both are nouns.

Word	Noun	Adjective	Verb	Adverb
gas range	Yes	No	No	No
cooking stove	Yes	No	No	No

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

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

gas range (noun)	cooking stove (noun)
a range with gas rings and an oven for cooking with gas	a kitchen appliance used for cooking food