Fear

abhorrence
agitation
angst
anxiety
aversion
awe
bete noire
chickenheartedness
cold feet
cold sweat
concern
despair
discompose
dismay
disquietude
distress
doubt
dread
faintheartedness
foreboding
fright
funk
horror
jitters
misgivings
nightmare
panic
phobia
presentiment
qualm
recreancy
reverence
revulsion
scare
suspicion
terror
timidity
trembling
tremble
trepidation
unease
uneasiness
worry
cower
crouch
fret
break out in sweat
shrink
have butterflies
have qualms
wilt
avoid
turn pale
flight
falter
be in a daze
throbbing heart
alarm
afraid of one's shadow
shocking
breathless