When talking about removing dirt or stains, the phrase "washes away" is commonly used. However, there are several other synonyms that can be used instead of this phrase. Words such as "rinses", "cleanses", "scrubs off", "eradicates", and "eliminates" can be used to describe the action of removing something completely. Similarly, terms like "flushes out", "wipes away", "dissolves", and "obliterates" can also be used to convey the idea of cleaning or removing something thoroughly. These synonyms can be used interchangeably to provide variety in your writing or to add emphasis to the action of removing something.