depth gage vs gage

depth gage and gage both are nouns.

Word	Noun	Adjective	Verb	Adverb
depth gage	Yes	No	No	No
gage	Yes	No	Yes	No

As nouns, gage is a hypernym of depth gage; that is, gage is a word with a broader meaning than depth gage:

depth gage: a gauge for measuring the depth of grooves or holes or other concavities
gage: a measuring instrument for measuring and indicating a quantity such as the thickness of wire or the amount of rain etc.

Other hypernyms of depth gage include gauge.

depth gage (noun)	gage (noun)
a gauge for measuring the depth of grooves or holes or other concavities	a measuring instrument for measuring and indicating a quantity such as the thickness of wire or the amount of rain etc.
	street names for marijuana

depth gage (verb)	gage (verb)
	place a bet on