gas cooker vs gas stove

gas cooker and gas stove both are nouns.

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

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

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

Other synonyms of gas cooker include gas range.

gas cooker (noun)	gas stove (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