Origin: The word MORD originated from the Latin word MORDERE which is derived from MORSUS means Bite.
The words derived from this possess the above meaning.
Words:
Mordacious = Denoting or using biting sarcasm
Mordancy = A biting and caustic quality of style
Mordant = Having or showing a sharp or critical quality
Mordent = A rapid alternation of a note with the note immediately below or above it in the scale
Mordicancy = A biting quality; corrosiveness
Mordicant = Biting; acrid
Morsel = A small piece or amount of food
Morsitation = The act of biting or gnawing
Premorse = Terminated abruptly or as if bitten off
Remorse = Deep regret or guilt for a wrong committed