Swosh is an onomatopoeic word that represents the sound of something moving swiftly through the air. Some synonyms for this word include whoosh, swoosh, whiz, hiss, whirr, and swish. These words are often used to describe the movement of objects, such as a speeding vehicle, a flying bird or a robot-zapper. Each of these words has its own unique connotation and can be used in different contexts to create a more vivid and engaging description. Whether you are a writer, a poet, or a linguist, incorporating synonyms such as these into your language can help to add depth and variety to your writing.