Scratching out is a term that refers to erasing or deleting something, either by physically scratching with a tool or using digital means. Its antonyms are words that mean the opposite or the contrary. They include phrases such as "writing in," "adding to," "keeping," or "preserving." These antonyms denote the opposite action of removing or erasing information, and instead signify the act of recording, adding to, or retaining something. For instance, writing in a journal daily can help preserve memories and prevent the need for scratching out old entries. In summary, antonyms for scratching out are words that represent the act of preservation, addition, or retention of information.