Initialize a Word object from a json dictionary.

def _from_dict(cls, _dict):
        """Initialize a Word object from a json dictionary."""
        args = {}
        if 'word' in _dict:
            args['word'] = _dict.get('word')
        else:
            raise ValueError(
                'Required property \'word\' not present in Word JSON')
        if 'sounds_like' in _dict:
            args['sounds_like'] = _dict.get('sounds_like')
        else:
            raise ValueError(
                'Required property \'sounds_like\' not present in Word JSON')
        if 'display_as' in _dict:
            args['display_as'] = _dict.get('display_as')
        else:
            raise ValueError(
                'Required property \'display_as\' not present in Word JSON')
        if 'count' in _dict:
            args['count'] = _dict.get('count')
        else:
            raise ValueError(
                'Required property \'count\' not present in Word JSON')
        if 'source' in _dict:
            args['source'] = _dict.get('source')
        else:
            raise ValueError(
                'Required property \'source\' not present in Word JSON')
        if 'error' in _dict:
            args['error'] = [
                WordError._from_dict(x) for x in (_dict.get('error'))
            ]
        return cls(**args)