helter-skelter vs irritable

helter-skelter

adj
  • Carelessly hurried and confused. 

adv
  • In confused, disorderly haste. 

noun
  • A helical fairground slide. 

  • Confusion or turmoil. 

irritable

adj
  • Easily exasperated or excited. 

  • Capable of being irritated. 

  • Responsive to stimuli. 

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