wind gage vs wind gauge

wind gage and wind gauge both are nouns.

Word	Noun	Adjective	Verb	Adverb
wind gage	Yes	No	No	No
wind gauge	Yes	No	No	No

As nouns, wind gage and wind gauge are synonyms defined as:

wind gage and wind gauge: a gauge for recording the speed and direction of wind

Other synonyms of wind gage include anemometer.

wind gage (noun)	wind gauge (noun)
a gauge for recording the speed and direction of wind	a gauge for recording the speed and direction of wind