A person's vocabulary is the set of words within a language that are familiar to that person. More

Lexicology is the part of linguistics which studies words. More

A lexeme () is a unit of lexical meaning that exists regardless of the number of inflectional endings it may have or the number of words it may contain. More

Lexicalization is the process of adding words, set phrases, or word patterns to a language – that is, of adding items to a language's lexicon. More

A lexical item (or lexical unit/ LU, lexical entry) is a single word, a part of a word, or a chain of words (= catena) that forms the basic elements of a lan... More

A lexicon is the vocabulary of a person, language, or branch of knowledge (such as nautical or medical). More

In historical linguistics, lexical diffusion is both a phenomenon and a theory. More

Lexical semantics (also known as lexicosemantics), is a subfield of linguistic semantics. More

Lexicostatistics is an approach to comparative linguistics that involves quantitative comparison of lexical cognates. More