bore vs bore-hole

bore and bore-hole both are nouns.

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

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

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

Other synonyms of bore include drill hole.

bore (noun)	bore-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
diameter of a tube or gun barrel
a high wave (often dangerous) caused by tidal flow (as by colliding tidal currents or in a narrow estuary)
a person who evokes boredom

bore (verb)	bore-hole (verb)
make a hole, especially with a pointed power or hand tool
cause to be bored