The Greek
prefix Cac-,
Caco-, or
Kak- means
bad.
Cachexia = Bad Condition (of the mind or body).
Cacodemon = Bad Spirit.
Cacodoxy = Bad Opinion or Teachings.
Cacodyl = As(CH3)2, which has a Bad Smell.
Cacoepy = Bad Pronunciation.
Cacogenesis = Bad Breeding (of animals).
Cacography = Bad Spelling.
Cacology = Bad Choice of Words.
Caconym = A Taxonomic name that is Bad for Linguistic reasons.
Cacophonist = A Composer of cacophonous or atonal music.
Cacophonous = Harsh (bad) Sound.