freaky vs unthought-of

freaky

adj

  • Odd; bizarre; unusual. 

  • Sexually deviant. 

  • Scary; frightening. 

  • Resembling a freak. 

unthought-of

adj

  • unexpected 

  • unimagined 

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