lexical
adj.adj. relating to the words of a language and how they are used. It describes the study of vocabulary and the meaning of individual words.
adj. relating to the vocabulary of a language or the study of words and their meanings. Often used in the context of linguistics or to describe the specific set of words used in a particular field.
The two languages have a very similar lexical structure.
The researcher is studying the lexical differences between the dialects spoken in the north and south of the country.
While the grammar of the two languages is vastly different, their lexical roots often overlap, suggesting a shared history of cultural exchange and linguistic influence.
From Latin lexis, from Ancient Greek λέξις (léxis, “word”) + -al.