The verb resign means to quit a job or a position or to find peace with a decision.
I am going to resign from my teaching position.
Bob must resign himself to the idea that we are not getting a dog.
The verb re-sign means to sign again.
I will re-sign my name since it got erased the first time.
We need to re-sign that singing group to another contract.
Use the verb resign to tell that someone is giving up a job or an idea. Use the verb re-sign when you mean that someone will sign a second time.
▶It’s your turn. Decide whether to put resign or re-sign into the blank in this sentence. My mom will ___ her contract since the first one was lost. Did you use the verb that means to do it again? Good for you!