groaning vs hideous

groaning

adj
  • That groans. 

  • Heavily laden, as if to creak under the strain. 

noun
  • A low sound associated with extended suffering, sorrow, and toil. 

hideous

adj
  • Hateful; shocking. 

  • Morally offensive; shocking; detestable. 

  • Extremely or shockingly ugly. 

  • Having a very unpleasant or frightening sound 

How often have the words groaning and hideous occurred in a corpus of books? (source: Google Ngram Viewer )