The correct spelling is violent.
In French, "violent" is spelled the same way as in English: "violent".
A violent storm
The correct spelling for viloent is violent.
The correct spelling of the adjective is violent (marked by sudden, extreme, or damaging actions).
VIOLIN - the stringed musical instrument VIOLENT - using destructive or injurious force
a shipwreck
There are two similar possible adverbs:furiously - angrily, or in a rushed mannerferociously - in an angry or wildly violent manner
The verb to rage drops the E when forming the word raging.
That is the correct spelling of the adjective "berserk" (crazed, wild).
The word you are looking for is spelled "vicious." It means behaving in a cruel or violent way.
The correct spelling of the adjective is brutal(beast-like, violent, cruel).
That is the correct spelling of the word "storm" (violent weather).