public function spacheDifficultWordCount($strText = false)
    {
        $strText = $this->setText($strText);
        $intDifficultWords = 0;
        $arrWords = explode(' ', strtolower(preg_replace('`[^A-za-z\' ]`', '', $strText)));
        // Fetch Spache Words
        $wordsCounted = array();

        // Get the Spache word list
        $arrSpache = Resource::fetchSpacheWordList();

        for ($i = 0, $intWordCount = count($arrWords); $i < $intWordCount; $i++) {
            // Single letters are counted as easy
            if (strlen(trim($arrWords[$i])) < 2) {
                continue;
            }
            $singularWord = Pluralise::getSingular($arrWords[$i]);
            if ((!in_array(Pluralise::getPlural($arrWords[$i]), $arrSpache)) && (!in_array($singularWord, $arrSpache))) {
                if (!in_array($singularWord, $wordsCounted)) {
                    $intDifficultWords++;
                    $wordsCounted[] = $singularWord;
                }
            }
        }

        return $intDifficultWords;
    }