code: def _to_dict(self):
          
          _dict = {}
          if hasattr(self, 'word') and self.word is not None:
              _dict['word'] = self.word
          if hasattr(self, 'sounds_like') and self.sounds_like is not None:
              _dict['sounds_like'] = self.sounds_like
          if hasattr(self, 'display_as') and self.display_as is not None:
              _dict['display_as'] = self.display_as
          if hasattr(self, 'count') and self.count is not None:
              _dict['count'] = self.count
          if hasattr(self, 'source') and self.source is not None:
              _dict['source'] = self.source
          if hasattr(self, 'error') and self.error is not None:
              _dict['error'] = [x._to_dict() for x in self.error]
          return _dict
docs: Return a json dictionary representing this model.