in a world of pain vs in trouble

in a world of pain

prep
  • Suffering pain. 

  • Synonym of in a world of trouble 

in trouble

prep
  • Suffering difficulties. 

  • Pregnant, unmarried, and not likely to be married before giving birth. 

  • Liable to be punished for misbehavior; in disgrace. 

adj
  • in a difficult situation 

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