anemometer vs wind gage

anemometer and wind gage both are nouns.

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

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

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

Other synonyms of anemometer include wind gauge.

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