The letters 're' when prefixed to a word generally mean once more, afresh, or anew. For example 'redo' means to do again, 'repay' means pay once more. This meaning is very important for conservation of resources. For example if we reuse, recycle, restore, and reduce things that we use, we can help to prevent its waste.
Hidden in this box are many 're' words. Find them by searching up, down, and even diagonally!