curiously vs helter-skelter

curiously

adv
  • Oddly; in a strange or unexpected way. 

  • In a curious manner; with curiosity; inquisitively. 

helter-skelter

adv
  • In confused, disorderly haste. 

adj
  • Carelessly hurried and confused. 

noun
  • A helical fairground slide. 

  • Confusion or turmoil. 

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