helter-skelter vs willy-nilly

helter-skelter

adv
  • In confused, disorderly haste. 

noun
  • A helical fairground slide. 

  • Confusion or turmoil. 

adj
  • Carelessly hurried and confused. 

willy-nilly

adv
  • Seemingly at random; haphazardly. 

  • Whether desired or not; without regard for the consequences or the wishes of those affected; whether willingly or unwillingly. 

adj
  • That happens whether willingly or unwillingly. 

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