Part-of-Speech Tagging

Analyze the grammatical structure of text by identifying parts of speech for each word.

About: Part-of-Speech (POS) tagging is the process of marking up words in text according to their grammatical categories such as noun, verb, adjective, etc.

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POS Tagging Methods

NLTK (Penn Treebank)

Uses the Perceptron tagger trained on the Penn Treebank corpus with detailed grammatical categories.

  • 36+ detailed tags
  • English-specific
  • Traditional NLP approach

spaCy (Universal)

Uses the en_core_web_sm model with Universal POS tags for cross-linguistic consistency.

  • 17 universal tags
  • Cross-linguistic
  • Modern NLP approach

POS Tagging Results

Click "Analyze POS Tags" to see grammatical analysis results