public int notInVocab(String[] wordArray){

    int count = 0;

    int j = 0;

    String[] notInVocabArr = new String[countNotInVocab(wordArray)];

    for(int i=0; i<wordArray.length(); i++)

    {

        if(!findWord(wordArray[i]))

        {

            notInVocabArr[j] = wordArray[i];

            j++;

        }

    }

    return notInVocabArr;

}