In the English language there is a distinct difference between the words 'gage' and gauge.'
English language word 'gage' means to gain, gag (as in retch/choke) it also has a lot of other meanings like 'gad about' which means 'paint the town red.'
English language word 'gauge' means to measure or determine, test, judge etc. 'Gauge' is also the name of the device used to test/measure from as in go/nogo gauge.