REUSE (4 letters) The term 'USE AGAIN IN ALTERED FORM' can be summarized by two crossword solutions: REWORK (6 letters) and REUSE (4 letters). Reworking is the process of making changes to something that already exists, while reusing is the act of using something again without changing it. Both terms refer to the idea of taking something that has already been used and either altering it or using it again in its original form.