A book. Q: The more you take, the more you leave behind. What are they?
Your word / promise.
The letter M . If you meant a different style (like Malayalam "Kusruthi Chodyam" translated literally into English, which often plays on double meanings), here’s an example: english kusruthi chodyam with answer
Here’s a properly formatted version of an (tricky question/puzzle) with its answer, presented clearly. Q: I have keys but no locks. I have space but no room. What am I? A book
A keyboard. Q: What has words but never speaks? which often plays on double meanings)
Fire. Q: What comes once in a minute, twice in a moment, but never in a thousand years?
What is it that you can keep after giving it to someone?