Effuses is a verb that can be used to describe the act of pouring out or spreading in a large quantity, often with an emotional connotation. Some possible synonyms for effuses include: gushes, spills, overflows, floods, emanates, emanates, exudes, pours, spills over, radiates, and streams. These words can be used interchangeably with effuses depending on the desired tone and context of the sentence. For example, a writer might use "gushes" when describing an intense emotional outburst, while "radiates" could be used to describe a softer, more subtle expression of feeling. Ultimately, the choice of synonym depends on the nuance the writer is trying to convey.