Crase, often spelled as "Craze," is a term that refers to an obsession or a fascination that a person may have with something. There are several other words that can be used to describe and convey the same meaning as crase. Synonyms for this word include fixation, infatuation, passion, mania, obsession, and fascination. All of these terms indicate an intense interest in something and suggest that the person may be overly focused on it. These words can be used interchangeably depending on the context and the tone of the conversation. In summary, there are several synonyms for the word crase, each of which implies a degree of fascination, enthusiasm, and intensity.