helter-skelter vs unmindfully

helter-skelter

adv
  • In confused, disorderly haste. 

adj
  • Carelessly hurried and confused. 

noun
  • A helical fairground slide. 

  • Confusion or turmoil. 

unmindfully

adv
  • In an unmindful fashion; without mindfulness. 

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