I can give you several sentences.
He took a mortal wound in the battle
The general suffered a mortal wound and died two days later. Every mortal will die eventually.
A word that starts with mortal is mortality.
Like this: You are a mortal, you can die. I, however, am immortal, in other words, I cannot die.
The prefix for the word "mortal" is "im-".
The sicker the old man became, the more he came to grips with being mortal like everyone else. The Olympus gods were constantly trying to control the actions of mortal men. The knight received a mortal wound in battle, but inspired his men to victory.
mortal = mortalis
Mortal beings are subject to death and have a limited lifespan.
The hero faced his mortal foe in a fierce battle that would determine the fate of the kingdom.
The root word is mortal
immortal
Immortal.