The word "grating" can be replaced by various synonyms, including irritating, annoying, rasping, scraping, scratching, screeching, and jarring. All of these words denote a harsh, unpleasant, or grinding sound or sensation. For instance, an annoying person can be described as grating or irritating, and a harsh sound like a screeching car brake can be termed as rasping or jarring. Similarly, when something rubs against a surface and produces an unpleasant sound, it can be described as scraping or scratching. Thus, the various synonyms for the word "grating" offer alternative options to describe or express an unpleasant sensation or sound.