code: public function words($table, $search, $docid)
      {
          $words = array();
          $search = $this->search($table, $search, 1, 's.docid = '.$docid);
          if (empty($search)) {
              return $words;
          }
          $row = array_shift($search);
          $fields = $this->db->row("SELECT * FROM {$table} WHERE docid = ? LIMIT 1", $row['docid'], 'assoc');
  
          return $this->offset(array_merge($fields, $row), array_keys($fields));
      }
docs: Get the words that made your **$search** relevant for **$docid**.
  
  @param string $table  The database table name.
  @param string $search The search term(s) to '**MATCH**'.
  @param mixed  $docid  The **$table** row's docid.
  
  @return array The unique words found which made the **$search** relevant.
  
  @example
  
  ```php
  echo implode(', ', $db->fts->words('results', 'fish', 101)); // fishes, fish
  ```