cramp

CLINCH
WordClue
FITspasm, crick
CRAMPclinch
CRICKspasm, seizure
SPASMparoxysm, cramp
THROEspasm, paroxysm
SEIZUREspasm, throe
PAROXYSMspasm, cramp
CUNNINGcraftiness
BRAINCASEcranium