helter-skelter vs slowly

helter-skelter

adv

  • In confused, disorderly haste. 

noun

  • A helical fairground slide. 

  • Confusion or turmoil. 

adj

  • Carelessly hurried and confused. 

slowly

adv

  • At a slow pace. 

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