worry, concern, fear

fear, fright

to be scared, to fear, to be afraid

fear, aprehension, nervousness; flute, wind instrument; groove (architecture)

influence, fear, terror, effect, consequence

doubt, suspicion, hesitation, anxiety, worry, misgiving, question

eagerness, ardent desire, hunger; anxiety

agitation, anguish, alarm, anxiety; oscillation (electricity)

uneasiness, anxiety, instability, inconsistency, changeableness

difficulty, emotional agitation, anxiety; screwdriver

unrest, disturbances, lack of peace (as in a geographical area), alarming or worrisome situation

lack of peace, unrest, disturbance

tension, unrest, unease, disturbance