butt-ugly vs wan

butt-ugly

adj

  • Extremely ugly. 

wan

adj

  • Pale, sickly-looking. 

  • Bland, uninterested. 

  • Dim, faint. 

noun

  • The quality of being wan; wanness. 

  • A girl or woman. 

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