s for. If you passed in an entire sentence,
it attempts to find that entire sentence in the dictionary. Since
the dictionary contains only words, you will receive an empty
result set back.</p>
<pre>
      SELECT lexize('en_ispell', 'This is a senctece to lexize');
         lexize
        --------
        
        (1 row)
        
If you parse a lexeme from a word not in the dictionary, then you will receive an empty result. This makes sense because the word "tsearch" is not in the english dictionary. You ca