A shaft is a hole dug in a mine.
stone pit, excavation, hole in the ground
hollow, hole, depression, dip, cavity, caldera
Hole. The homophone to that is whole.
a hole or like a dig... in the ground :D just guessing
Lair, hole, shelter, cave, haunt, cavern, hide-out
drill, bore, hole, penetrate, pierce, stab, puncture, permeate
Tooth infection hollow, hole, gap, pit, dent, crater
Nest egg, ace in the hole, kitty, money in the bank...
Pit Opening Cavity Burrow Hollow Aperture Gap
The answer is "whole." A gift is something presented, while a hole is a gap or opening. A whole is complete and undivided, similar to how a gift is whole and given in its entirety.
Chasm, crevasse, void, deep hole, or depth. Those words mean abyss.