The fear of being startled is called phobophobia(literally, fear of fear).
double negative= positive: same thing not unexpected is more poetic
The closest thing is Atomosophobia- Fear of atomic explosions.Bear in mind that a phobia is an unreasonable fear of a thing or event- and a fear of explosions may not BE an unreasonable thing.
Shapephobia.
Anger, Confusion, Hate. Mostly Fear of the unexpected.
We have nothing to fear
A capriccio is a sudden and unexpected motion, or a fantastical thing or work.
my opinion would be yes, because fear is a thing.
"The only thing to fear is fear itself" Franklin D. Roosvelt
Spontaneous recovery
davar lo metsupah (דבר לא מצופה)
He said the only thing we have to fear is fear itself.
The only thing that bears fear are humans.