drill hole vs shot hole

drill hole and shot hole both are nouns.

Word	Noun	Adjective	Verb	Adverb
drill hole	Yes	No	No	No
shot hole	Yes	No	No	No

As nouns, shot hole is a hyponym of drill hole; that is, shot hole is a word with a more specific, narrower meaning than drill hole:

drill hole: a hole or passage made by a drill; usually made for exploratory purposes
shot hole: drill hole for a charge of an explosive

drill hole (noun)	shot hole (noun)
a hole or passage made by a drill; usually made for exploratory purposes	drill hole for a charge of an explosive