crevice, gap

OPENING
WordClue
RIPgap, hole
HOLEgap
RIFTgap, chasm
TEARgap, break
ABYSSchasm, gap
BREAKgap
CHASMgap, gorge
SPLITgap, break
DIVIDEgap
HIATUSgap in a series
CREVICEopening, gap
FISSUREgap, hole
OPENINGcrevice
SPASMcrick, seizure