irregular-plurals

Map of nouns to their irregular plural form

An irregular plural in this library is defined as a noun that cannot be made plural by applying these rules:

• If the noun ends in an "s", "x", "z", "ch" or "sh", add "es"
• If the noun ends in a "y" and is preceded by a consonent, drop the "y" and add "ies"
• If the noun ends in a "y" and is preceded by a vowel, add "s"

The list is just a JSON file and can be used wherever.

Install

$ npm install --save irregular-plurals

Usage

const irregularPlurals = require('irregular-plurals');

console.log(irregularPlurals['cactus']);
//=> 'cacti'

console.log(irregularPlurals);
/*
    {
        addendum: 'addenda',
        alga: 'algae',
        ...
    }
*/

Related

• plur - Pluralize a word

License

MIT © Sindre Sorhus