title: Calculate similarity between list of words
body: <p>I want to calculate the similarity between two list of words, for example :</p>
  
  <p><code>['email','user','this','email','address','customer']</code></p>
  
  <p>is similar to this list:</p>
  
  <p><code>['email','mail','address','netmail']</code></p>
  
  <p>I want to have a higher percentage of similarity than another list, for example:
  <code>['address','ip','network']</code> even if <strong><code>address</code></strong> exists in the list.</p>