harmonized vs helter-skelter

harmonized

verb

  • censored, in the context of China 

helter-skelter

noun

  • A helical fairground slide. 

  • Confusion or turmoil. 

adv

  • In confused, disorderly haste. 

adj

  • Carelessly hurried and confused. 

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