Vocab, short for vocabulary, is a word commonly used to refer to the range of words and phrases that an individual knows and understands. However, there are several synonyms for the term vocab that can be used depending on the context. Some common synonyms include lexicon, language, jargon, and terminology. Lexicon refers to the vocabulary of a particular language or group of people. Language is a more general term that can refer to the use of words and symbols for communication. Jargon refers to specialized terms used within a particular industry or profession, while terminology refers to the body of technical terms used in a particular field.