gasoline gauge vs gas gage

gasoline gauge and gas gage both are nouns.

Word	Noun	Adjective	Verb	Adverb
gasoline gauge	Yes	No	No	No
gas gage	Yes	No	No	No

As nouns, gasoline gauge and gas gage are synonyms defined as:

gasoline gauge and gas gage: gauge that indicates the amount of gasoline left in the gasoline tank of a vehicle

Other synonyms of gasoline gauge include gas gauge, gasoline gage, petrol gage, petrol gauge.

gasoline gauge (noun)	gas gage (noun)
gauge that indicates the amount of gasoline left in the gasoline tank of a vehicle	gauge that indicates the amount of gasoline left in the gasoline tank of a vehicle