- Cleft - Crack - Crack discovered following cautious start with regard to vice - Fissure - Narrow fissure - Rock fissure - A narrow opening resulting from a split or crack or the
separation of a junction; a cleft; a fissure; a rent.
- Crevice - Narrow crack - Sounds like angler made a crack - Split - A narrow opening, made by the parting of any substance; a
cleft; as, the fissure of a rock. - To cleave; to divide; to crack or fracture.