for (int i = highestFreq; i > 0; i--) {
        List<String> freqWords = spelledCorrectly.findByFrequency(i);
        if (!freqWords.isEmpty()) {
            freqWords.sort((a, b) -> a.compareTo(b));
            System.out.println("nfrequency " + i + "n" + freqWords);
        }
    }

List<String> freqWords = incoming.stream()
            .filter(i -> i = highestFreq)
            .sorted(comparing(spelledCorrectly::getValue).reversed())
            .map(freqWords::getId)
            .forEach(System.out.println("nfrequency " + i + "n" +
             freqWords));