snap, tear.
The four letter word that means, "I forbid," is veto.veto
The four letter word is dawn.
The word you are looking for is rest. Rest is a break from work.
Exit
A four letter word meaning the foundation of something is base.
The word is scam.
Rend is a four letter word that means to tear into pieces. Tear is also a four letter word meaning to pull apart.
aide
Fast
step
asea
Talk.