<p>Jeff has since implemented the following solution:</p>

<blockquote>
  <p>I improved the error message and dropped the requirement down to 3 score. Ultimately I think this req should scale to the # of questions in the tag.</p>
</blockquote>

<p><a href="http://meta.stackexchange.com/questions/69588/drop-the-score-requirement-for-proposing-tag-synonyms-atleast-for-super-user/69661#69661">Source</a></p>