bollix vs helter-skelter

bollix

noun
  • Confusion. 

  • A fool; a jerk. 

  • Mess. 

verb
  • To confuse. 

  • To botch or bungle. 

helter-skelter

noun
  • Confusion or turmoil. 

  • A helical fairground slide. 

adj
  • Carelessly hurried and confused. 

adv
  • In confused, disorderly haste. 

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