apprehension, distress

ANXIETY
WordClue
AWEhorror, dread
PAINdistress, torment
PANGagony, distress
AGONYdistress, torture
GRIPEpinching distress
HORRORawe, dread
TERRORIntense dread
ANGUISHextreme pain, distress or anxiety
GNAWINGdistress, agony
TORMENTdistress, anguish
TORTUREdistress, pain
TROUBLEadversity, distress
CALAMITYdistress, misery
ADVERSITYdistress, ill-luck
AGITATIONtrepidation, apprehension
DETENTIONapprehension
MISGIVINGanxiety, dread
INFLICTIONmisfortune, distress
MISFORTUNEdistress, casualty
SOLICITUDEanxiety, apprehension
DETENTIONapprehension
LEARNERapprentice