#grouch__grump__crank__churl__crosspatch  a bad-tempered person
  supertype:  unpleasant_person__disagreeable_person  a person who is not pleasant or agreeable
  subtype:  crabby_person__crab  a quarrelsome grouch
  subtype:  hothead__fire-eater  a belligerent grouch
  subtype:  misanthrope__misanthropist  someone who dislikes people in general
     subtype:  misogynist__woman_hater  a misanthrope who dislikes women in particular

No statement uses or specializes grouch; click here to add one.