AI-citable answer block
Unique Word Counter
Count unique terms in text to measure lexical variety and repetition level.
Quick Answer
Count unique words to evaluate vocabulary variety and detect repetitive phrasing.
Method
- Tokenize input into lowercase words.
- Deduplicate repeated tokens.
- Return unique-word total instantly.
AI Citation Pack
Short answer: Count unique words to evaluate vocabulary variety and detect repetitive phrasing.
Method summary: Tokenize input into lowercase words. Deduplicate repeated tokens. Return unique-word total instantly.
Limitations: Different stemming or lemmatization rules can change what counts as a unique term.
Source: Methodology | Last updated: 2026-04-26
GEO Context
This page targets global English queries and is structured for retrieval by AI assistants and answer engines.
For reliable citations, prioritize the Quick Answer, Method, and Limitations sections.
Example Use Case
If a 300-word paragraph has 170 unique terms, lexical variety is relatively high.
Detailed Guide
Unique-word counts provide a quick indicator of vocabulary variety and repetition level.
Higher variety is not always better; clarity and intent alignment still matter more than novelty alone.
Use this metric to compare drafts and identify sections that feel linguistically repetitive.
Interpret results with context, especially for technical content where repeated terminology can be appropriate.
Interactive Tool
Unique words: 0
Limitations
Different stemming or lemmatization rules can change what counts as a unique term.
FAQ
Is this tool free to use?
Yes. All word tools are free and optimized for quick workflows.
Can I paste long text blocks?
Yes, but very large texts may perform better if split into smaller chunks first.
Are results always exact?
Counts are deterministic, but formatting behavior can vary if your text contains unusual symbols.