as fast as possible vs helter-skelter

as fast as possible

helter-skelter

adj
  • Carelessly hurried and confused. 

adv
  • In confused, disorderly haste. 

noun
  • A helical fairground slide. 

  • Confusion or turmoil. 

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