"Rayer" is a French verb that means to erase, to scratch, or to strike off. The term is usually used when talking about removing something written or drawn on a surface, including whiteboards, blackboards, or paper. However, there are numerous synonyms you can use instead of "rayer" to convey the same meaning. Some of these include wipe, delete, cancel, obliterate, scratch out, cross out, efface, eradicate, expunge, rub away, and even dust off. Choosing the right synonym depends on the context and the tone of your message. However, using synonyms can help you bring variety to your writing, making it more engaging and memorable.