Rend .
The word you're looking for is... quarrel.
Jane violently struck him in the arm.
Fierce
There is no such word. "Borrador" means "Eraser" though. "Barrator" means "Batterer" as in someone who violently attacks someone else.
The word is sprain. It means wrench or twist the ligaments of violently so as to cause pain and swelling but not dislocation.
The word in mince. It means to cut up or chop into small pieces.
The root word for convulsion is convulse. The root word can usually be found when you remove any prefixes or suffixes. The term 'convulse' means to shake or disturb violently.
The word quake means to shake violently. It is most commonly used in the word earthquake. It is also used to describe a person who shakes out of anger or fear.
rampage
The root is ed as in inedible.
Vomits