A wordlist is a compilation of words that are organized in alphabetical order for reference or learning purposes. Some synonyms for this word include vocabulary list, lexicon, dictionary, glossary, thesaurus, index, and roster. These terms all refer to a set of words that are grouped together for various reasons. For instance, a vocabulary list is often used by educators to help students learn new words, while a dictionary provides definitions and pronunciations of words. A glossary is typically included in textbooks or other reading materials to provide definitions of key terms, while an index is used to help readers locate specific words within a text. Finally, a roster is a list of names, which may or may not include associated information like addresses or phone numbers.