geek out
make someone's hair stand on end
fray
scarecrow
freak out
scare the life out of
put the shits up someone
scare the living daylights out of
put the heart across one
scare the hell out of
do someone a frighten
flay
creep out
sweat
spook
concern
make someone's skin crawl
not bear thinking about
spook out
funk
eat
disquiet
scare
rattle
crap oneself
put the wind up
scare the pants off
jump in one's skin
dread
give someone the shits
make someone's flesh creep
fear
panic
worrit
get the wind up
have one's heart in one's boots
worry someone sick
sketch out
bug out
piggle
stomach
suffer
tolerate
stick out
digest
send shivers down someone's spine
brook
put up
fash
support
unsettle
stand
bear
abide
endure
scare the shit out of
quake in one's boots
surprise
have the wind up
cower
overscare
skeeve
make someone's jaw drop
horripilate
grate
flip shit
frighten
preoccupy
beworry
wrack
run scared
look like one swallowed a bug
curl someone's hair