akin
The four letter word that means, "I forbid," is veto.veto
The word heart is another four-letter word that is related to your circulatory system.
get
The four letter word is dawn.
coil
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.
clan
aide
Fast