private boolean matched() {
    /***
     * if (!lookups.contains(word.toString())) { throw new
     * RuntimeException("didn't look up "+word.toString()+" prev="+prevLookup);
     * }
     ***/
    // lookup();
    return matchedEntry != null;
  }
Returns the result of the stem (assuming the word was changed) as a String.
linguistics/src/main/java/com/yahoo/language/simple/kstem/KStemmer.java