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Implementation of Porter Stemmer Algorithm V2 by Dr Martin F Porter

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Stem an inflected word into its base form using wink-porter2-stemmer.


Use npm to install:

npm install wink-porter2-stemmer --save

Example Build Status

// Load porter stemmer V2
var stem = require( 'wink-porter2-stemmer' );

console.log( stem( 'properly' ) );
// -> proper

console.log( stem( 'borrowed' ) );
// -> borrow

console.log( stem( 'stemming' ) );
// -> stem


Table of Contents


Stems an inflected word using Porter2 stemming algorithm.


  • word string — word to be stemmed.


stem( 'consisting' );
// -> consist

Returns string — the stemmed word.

Need Help?

If you spot a bug and the same has not yet been reported, raise a new issue or consider fixing it and sending a pull request.

About wink

Wink is a family of open source packages for Statistical Analysis, Natural Language Processing and Machine Learning in NodeJS. The code is thoroughly documented for easy human comprehension and has a test coverage of ~100% for reliability to build production grade solutions.

Copyright & License

wink-porter2-stemmer is copyright 2017-19 GRAYPE Systems Private Limited.

It is licensed under the terms of the MIT License.