To find similarity between two words
Install the dependencies and devDependencies and start the server.
$ npm install words-similarity
const wordsSimilarity = require('words-similarity');
console.log(wordsSimilarity.get('node','nodejs'));
// 0.67
console.log(wordsSimilarity.get('Nodejs','nodejs'));
// 1
console.log(wordsSimilarity.get('Nodejs','nodejs',false)); // to make it case sensitive
// 0.83