docs: @Override
      public Collection<String> wordsNearest(String label, int n) {
          if (!vocabCache.hasToken(label))
              return new ArrayList<>();
  
          Collection<String> collection = wordsNearest(Arrays.asList(label), new ArrayList<String>(), n + 1);
          if (collection.contains(label))
              collection.remove(label);
  
          return collection;
      }