dubiety vs helter-skelter

dubiety

noun

  • A particular instance of doubt or uncertainty. 

  • Doubtfulness. 

helter-skelter

noun

  • Confusion or turmoil. 

  • A helical fairground slide. 

adj

  • Carelessly hurried and confused. 

adv

  • In confused, disorderly haste. 

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