lexicon

In lang=en terms the difference between ontology and lexicon

is that ontology is a logical system involving theory of classes, developed by Stanislaw Lesniewski (1886-1939) while lexicon is any dictionary.

As nouns the difference between ontology and lexicon

is that ontology is the branch of metaphysics that addresses the nature or essential characteristics of being and of things that exist; the study of being qua being while lexicon is the vocabulary of a language.

As an adjective semantic

is semantic.

As a noun lexicon is

the vocabulary of a language.

In lang=en terms the difference between lexicon and vernacular

is that lexicon is any dictionary while vernacular is is connected to a collective memory; not imported.

As nouns the difference between lexicon and vernacular

is that lexicon is the vocabulary of a language while vernacular is the language of a people or a national language.

As an adjective vernacular is

of or pertaining to everyday language.

As nouns the difference between lexicon and terminology

is that lexicon is the vocabulary of a language while terminology is the doctrine of terms; a theory of terms or appellations; a treatise on terms, a system of specialized terms.

As nouns the difference between lexicon and nomenclature

is that lexicon is the vocabulary of a language while nomenclature is a name.

As nouns the difference between morpheme and lexicon

is that morpheme is the smallest linguistic unit within a word that can carry a meaning, such as "un-", "break", and "-able" in the word "unbreakable" while lexicon is the vocabulary of a language.

Glossary is a synonym of lexicon.

As nouns the difference between lexicon and glossary

is that lexicon is the vocabulary of a language while glossary is a list of terms in a particular domain of knowledge with their definitions.

As nouns the difference between taxonomy and lexicon

is that taxonomy is the science or the technique used to make a classification while lexicon is the vocabulary of a language.

As nouns the difference between lexicon and lexiconist

is that lexicon is the vocabulary of a language while lexiconist is a writer of a lexicon.

Relexify is a related term of lexicon.

In linguistics terms the difference between lexicon and relexify

is that lexicon is a dictionary that includes or focuses on lexemes while relexify is replace a language's lexicon with another's.

As a noun lexicon

is the vocabulary of a language.

As a verb relexify is

replace a language's lexicon with another's.