When it comes to finding synonyms for the term "spew out", there are a number of different options available. The first and most common synonym is "emit", which refers to the act of releasing something, such as smoke or gas. Other synonyms for "spew out" include "discharge", "expel", "belch", "erupt", and "gush". These words all carry different connotations, with "discharge" implying a more sudden or forceful release, and "gush" suggesting a more steady or controlled flow. Ultimately, the choice between these synonyms will depend on the specific context in which the term is being used, and the desired tone or emphasis of the writing.