gas cooker vs gas range

gas cooker and gas range both are nouns.

Word	Noun	Adjective	Verb	Adverb
gas cooker	Yes	No	No	No
gas range	Yes	No	No	No

As nouns, gas cooker and gas range are synonyms defined as:

gas cooker and gas range: a range with gas rings and an oven for cooking with gas

Other synonyms of gas cooker include gas stove.

gas cooker (noun)	gas range (noun)
a range with gas rings and an oven for cooking with gas	a range with gas rings and an oven for cooking with gas