difficulty vs wrangle

difficulty

noun
  • An awkward situation or quarrel. 

  • Physical danger from the environment, especially with risk of drowning 

  • An obstacle that hinders achievement of a goal. 

  • The state of being difficult, or hard to do. 

  • An objection. 

  • That which cannot be easily understood or believed. 

wrangle

noun
  • An angry dispute; a noisy quarrel; an altercation. 

  • Angry disputation; noisy quarrelling. 

verb
  • To quarrel angrily and noisily; to bicker. 

  • Followed by out of: to elicit (something) from a person by arguing or bargaining. 

  • To gather and organize (data, facts, information, etc.), especially in a way which requires sentience rather than automated methods alone, as in data wrangling. 

  • To argue, to debate; also (dated), to debate or discuss publicly, especially about a thesis at a university. 

  • To make harsh noises as if quarrelling. 

  • To convince or influence (someone) by arguing or contending. 

  • To herd (horses or other livestock). 

  • To manage or supervise (people). 

How often have the words difficulty and wrangle occurred in a corpus of books? (source: Google Ngram Viewer )