Blows out is a phrasal verb that can be easily replaced with a variety of synonyms. Some alternatives for blows out are extinguish, quench, put out, douse, snuff out, smother, stifle, and suffocate. These words can be used interchangeably depending on the context in which they are used. For example, extinguish is often used to denote the act of putting out a fire, while snuff out is used for the sudden or instantaneous act of extinguishing a light source. Douse is used to describe the act of pouring water over a fire, while smother and stifle describe suffocating something by depriving it of oxygen. Overall, there are many synonyms for the phrase blows out that can be used depending on the specific situation.