Synonyms for holes

Fix

fixes, spots, pickles, jams, messes, troubles, pinches, situations, quagmires, dilemmas, binds, muddles

Box

boxes, corners, blocks, pounds, lock-downs, coolers

Trap

traps, maws, gobs, yaps

Gap

gaps, hollows, openings, cavities, orifices, pits, crevices, caves, caverns, leaks, fissures, vents, burrows, apertures, perforations, breaks, concavities, dykes, excavations, dens, rents, lairs

Other

covers, hovels, cells, weaknesses, jails, caches