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* jump * shied
Such a word might be 'shied'.
to move so fast or to move like swish.
A word that means to depart suddenly is "plump" or "plumped"
"phobia" means fear; as a suffix it implies fear of the root word, so "bacteriophobia" means "fear of bacteria"
Scowl
Yes, suddenly is an adverb. It means occurring in a sudden or expected manner.
Porphyrophobia is the fear of the color purple
jerk
Retreat. Withdraw.
The root word in Claustrophobia means fear. The root is PHOBIA(which means fear)
unsudden
Cheddarophobia