bottom-upwards vs upside down

bottom-upwards

upside down

adj

  • Inverted; turned so that the top is at the bottom. 

  • In great disorder. 

  • Owing more money for something than it is worth; having negative equity. 

adv

  • In great disorder. 

  • Inverted, so that the top is now at the bottom. 

How often have the words bottom-upwards and upside down occurred in a corpus of books? (source: Google Ngram Viewer )