bore-hole vs drill hole

bore-hole and drill hole both are nouns.

Word	Noun	Adjective	Verb	Adverb
bore-hole	Yes	No	No	No
drill hole	Yes	No	No	No

As nouns, bore-hole and drill hole are synonyms defined as:

bore-hole and drill hole: a hole or passage made by a drill; usually made for exploratory purposes

Other synonyms of bore-hole include bore.

bore-hole (noun)	drill hole (noun)
a hole or passage made by a drill; usually made for exploratory purposes	a hole or passage made by a drill; usually made for exploratory purposes