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Lexicon vs. Vocabulary: What's the Difference?

Edited by Huma Saeed || By Sumera Saeed || Updated on October 18, 2023
Lexicon refers to the entire set of words in a language or a person's personal word bank, while vocabulary is the range of words known or used by an individual.

Key Differences

Lexicon, in linguistic terms, refers to the complete set of words within a particular language or subject area. This comprehensive collection could be in a dictionary or among speakers of a language. Conversely, vocabulary pertains more to the collection of words that an individual knows or uses. In a broad sense, vocabulary is a subset of a lexicon, tailored to an individual's knowledge or use.
Sumera Saeed
Oct 18, 2023
Lexicon can also signify the mental storehouse of linguistic information about words. This includes not only their meanings but their sound and structural properties. Vocabulary, on the other hand, often suggests an active knowledge of words. When we say someone has a "large vocabulary," we're commenting on the breadth of words they actively use or understand.
Sumera Saeed
Oct 18, 2023
In specialized fields, a lexicon might refer to a set of terms pertinent to that field. For example, the lexicon of a lawyer might differ significantly from that of a musician. Vocabulary's focus remains on personal knowledge, so a scientist might have a vast vocabulary of scientific terms, but those words are still part of the broader scientific lexicon.
Sumera Saeed
Oct 18, 2023
At times, lexicon and vocabulary can be used interchangeably, especially in casual discourse. However, in a more technical linguistic setting, their distinctions are more pronounced. The lexicon stands as a broader term, encompassing all words in a language or domain, while vocabulary zeroes in on individual knowledge and use.
Harlon Moss
Oct 18, 2023

Comparison Chart

Definition

Entire set of words in a language or domain.
Range of words known or used by an individual.
Sumera Saeed
Oct 18, 2023
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Scope

Broader, encompassing all words.
Narrower, focused on individual use.
Sumera Saeed
Oct 18, 2023

Usage

Often used in linguistic or specialized contexts.
Commonly referenced in education and daily life.
Sumera Saeed
Oct 18, 2023

Variability

Static for a language at a given time.
Dynamic, can grow or reduce with learning.
Sumera Saeed
Oct 18, 2023

Example

Dictionary, specialized terms in a field.
Words a student learns for a test, personal word bank.
Sumera Saeed
Oct 18, 2023

Lexicon and Vocabulary Definitions

Lexicon

The complete set of words in a language.
The English lexicon is vast and ever-evolving.
Huma Saeed
Oct 18, 2023
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Vocabulary

The body of words known to an individual person.
Reading often expands one's vocabulary.
Huma Saeed
Oct 18, 2023

Lexicon

A dictionary, especially of Greek, Hebrew, Syriac, or Arabic.
The scholar consulted a lexicon to understand the ancient text.
Sara Rehman
Oct 18, 2023

Vocabulary

The stock of words used by or known to a particular people or group of persons.
Their native vocabulary is extensive, but they also know English well.
Sara Rehman
Oct 18, 2023

Lexicon

The structure of the vocabulary of a language as understood by a particular school of linguistics.
Chomskyan linguistics offers a distinct perspective on the lexicon.
Janet White
Oct 18, 2023

Vocabulary

A list or collection of words or of words and phrases.
The vocabulary list for the test includes 50 terms.
Sumera Saeed
Oct 18, 2023

Lexicon

A list of terms relating to a specific subject.
The book included a lexicon of culinary terms.
Sumera Saeed
Oct 18, 2023

Vocabulary

The range of artistic or stylistic forms, techniques, or movements.
The artist's vocabulary includes various mediums and styles.
Sumera Saeed
Oct 18, 2023

Lexicon

The vocabulary of a person, language, or branch of knowledge.
The lexicon of medical terms is extensive.
Aimie Carlson
Oct 18, 2023

Vocabulary

Words of a particular field or discipline.
Legal documents often have a specialized vocabulary.
Sara Rehman
Oct 18, 2023

Lexicon

A dictionary.
Sumera Saeed
Aug 26, 2020

Vocabulary

All the words of a language.
Sumera Saeed
Aug 26, 2020

Lexicon

A stock of terms used in a particular profession, subject, or style; a vocabulary
The lexicon of surrealist art.
Sumera Saeed
Aug 26, 2020

Vocabulary

The sum of words used by, understood by, or at the command of a particular person or group.
Sumera Saeed
Aug 26, 2020

FAQs

Are lexicon and vocabulary interchangeable?

Not always. While both relate to words, "lexicon" often denotes a more comprehensive or specific collection, while "vocabulary" often pertains to an individual's knowledge or a specific topic.
Sumera Saeed
Oct 18, 2023

How can one expand their vocabulary?

By reading widely, engaging in varied conversations, learning a new language, using vocabulary apps, and regularly practicing writing.
Aimie Carlson
Oct 18, 2023

What is a lexicon?

A lexicon is the complete set of words in a language or a specific collection of terms used within a particular field of study or profession.
Sumera Saeed
Oct 18, 2023

Where does the term "lexicon" originate?

It originates from the Greek word "lexikón," which means "of or for words."
Janet White
Oct 18, 2023

What role does culture play in shaping a lexicon?

Culture influences which concepts are important enough to have words, how these concepts are categorized, and the evolution of words over time.
Sumera Saeed
Oct 18, 2023

Can animals have a vocabulary?

In a way, yes. Some animals, especially those trained by humans, can recognize and respond to a set of specific sounds or signs, which can be termed their "vocabulary."
Sara Rehman
Oct 18, 2023

What is vocabulary?

Vocabulary refers to all the words known and used by a particular person or a set of words relevant to a particular subject.
Huma Saeed
Oct 18, 2023

How does a person's vocabulary grow?

Through reading, listening, speaking, studying, and experiencing new things.
Sara Rehman
Oct 18, 2023

Can a lexicon be specialized?

Yes, specialized lexicons exist for various fields, such as linguistics, medicine, law, or computer science.
Harlon Moss
Oct 18, 2023

How is a dictionary different from a lexicon?

A dictionary provides definitions, pronunciations, and often usage examples for words, while a lexicon is typically a list or collection of words without detailed definitions.
Sumera Saeed
Oct 18, 2023

How are vocabulary size and intelligence related?

A larger vocabulary can be an indicator of exposure to diverse contexts and learning, but it isn't a direct measure of intelligence.
Harlon Moss
Oct 18, 2023

What is a lexeme?

A lexeme is a unit of lexical meaning, which exists regardless of any inflectional endings it may have or the number of words it may contain.
Aimie Carlson
Oct 18, 2023

What does it mean by a word's lexical meaning?

It refers to the inherent, dictionary-defined meaning of a word, separate from any contextual or associated meanings.
Sumera Saeed
Oct 18, 2023

What's a controlled vocabulary?

It's a predefined list of terms used to describe a particular type of information, often used in libraries and databases.
Aimie Carlson
Oct 18, 2023

What's the relationship between grammar and lexicon?

Grammar provides the structure and rules for combining words, while the lexicon provides the words themselves.
Janet White
Oct 18, 2023

What is a lexical item?

A lexical item is a single word, part of a word, or a chain of words that functions as a single unit in the syntax and vocabulary of a language.
Harlon Moss
Oct 18, 2023

What's the difference between active and passive vocabulary?

Active vocabulary consists of words we regularly use and are comfortable with, while passive vocabulary includes words we recognize but don't typically use.
Janet White
Oct 18, 2023

What is a learner's vocabulary?

It's the set of words a student is familiar with at any point in their language learning journey.
Sumera Saeed
Oct 18, 2023

Can a single word belong to both a person's active and passive vocabulary?

Typically, no. If a person uses it regularly, it's active. If they recognize but don't use it, it's passive.
Sumera Saeed
Oct 18, 2023

Are idioms part of a person's vocabulary?

Yes, idioms are expressions whose meaning can't be deduced from the meanings of individual words, and they're part of one's vocabulary.
Aimie Carlson
Oct 18, 2023
About Author
Written by
Sumera Saeed
Sumera is an experienced content writer and editor with a niche in comparative analysis. At Diffeence Wiki, she crafts clear and unbiased comparisons to guide readers in making informed decisions. With a dedication to thorough research and quality, Sumera's work stands out in the digital realm. Off the clock, she enjoys reading and exploring diverse cultures.
Edited by
Huma Saeed
Huma is a renowned researcher acclaimed for her innovative work in Difference Wiki. Her dedication has led to key breakthroughs, establishing her prominence in academia. Her contributions continually inspire and guide her field.

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