Answer:
What four letters frighten a thief?
Why was the belt arrested?
If spaghetti made an action movie, what would it be called?
What kind of cup has holes in it when it is new, is designed to withstand a heavy beating and should never be used for drinking?
I have many letters, And though it's strange to say, I stay the same no matter how many I give away.
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?