code: def _remove_augmentative(word):
      if len(word) > 6 and word.endswith("ajzn"):
          return word[:-4]
      if len(word) > 5 and word[-3:] in ("izn", "isk"):
          return _palatalize(word[:-2])
      if len(word) > 4 and word.endswith("ák"):
          return word[:-2]
      return word
  
file_path: sumy/sumy/nlp/stemmers/czech.py
imports: from __future__ import absolute_import
  from __future__ import division, print_function, unicode_literals
  import re
  from warnings import warn
  from ..._compat import unicode
label_desc: Use image node_id 6 for calling a global function with example usage: _remove_augmentative(word) and returns: word, word, _palatalize, word