consternation

ALARM
WordClue
AWEhorror, dread
FEARhorror, alarm
ALERTalarm
CHIMEalarm
CLOCKalarm or atomic
PANIChorror, awe
WORRYtrepidation
DISMAYhorror, fear
FRIGHThorror, dismay
HORRORconsternation, fright
KLAXONloud electric alarm or horn
SYSTEMalarm or respiratory
TREMORagitation, trepidation
AGITATIONtrepidation, apprehension
NIGHTMAREhorror
ASTERISMconstellation
HORRORconsternation, fright