Lexicostatistical is a specialized term in linguistics that refers to the study of the vocabulary of languages in order to determine their genetic relationship. Synonyms for this technical term may include lexical analysis, lexical comparison, and word-based classification. Other related terms could be linguistic typology, semantic analysis, and etymological investigation. These terms all refer to different aspects of the study of languages, such as the classification of languages based on their morphology, the analysis of language structure, or the study of the historical origins of words. While the term lexicostatistical is specific to a certain field of linguistics, there are many other ways to approach the study of language and vocabulary.