SpecialCaseFinder.java

  public class SpecialCaseFinder {
    public static void main(String[] args) throws IOException {
      List<String> lines = Files.readAllLines(Paths.get("/home/dnaber/lt/git/german-pos-dict/x"));
      GermanSpellerRule speller = new GermanSpellerRule(JLanguageTool.getMessageBundle(), new GermanyGerman());
      int i = 1;
      for (String line : lines) {
        if (line.matches("[A-ZÖÄÜ].*") && line.endsWith("er") && !speller.isMisspelled(line)) {
          String shortened = line.replaceAll("er$", "");
          if (!speller.isMisspelled(shortened)) {
            String generated = shortened + "erz";
            if (!speller.isMisspelled(generated)) {
              System.out.println(i + " " + line + " " + shortened + " " + generated);
              i++;
            }
          }
        }
      }
    }
}