butt-ugly vs grotesque

butt-ugly

adj
  • Extremely ugly. 

grotesque

adj
  • Distorted and unnatural in shape or size; abnormal, especially in a hideous way. 

  • Disgusting or otherwise viscerally revolting. 

  • Sans serif. 

noun
  • A style of ornamentation characterized by fanciful combinations of intertwined forms. 

  • Anything grotesque. 

  • A sans serif typeface. 

How often have the words butt-ugly and grotesque occurred in a corpus of books? (source: Google Ngram Viewer )