flaw vs trouble

flaw

verb
  • To become imperfect or defective; to crack or break. 

  • To add a flaw to, to make imperfect or defective. 

noun
  • A storm of short duration. 

  • An inclusion, stain, or other defect of a diamond or other gemstone. 

  • A sudden burst of noise and disorder 

  • A crack or breach, a gap or fissure; a defect of continuity or cohesion. 

  • A defect or error in a contract or other document which may make the document invalid or ineffective. 

  • A defect, fault, or imperfection, especially one that is hidden. 

  • A sudden burst or gust of wind of short duration; windflaw. 

trouble

verb
  • To take pains to do something. 

  • In weaker sense: to bother or inconvenience. 

  • To mentally distress; to cause (someone) to be anxious or perplexed. 

  • To worry; to be anxious. 

noun
  • A difficulty, problem, condition, or action contributing to such a situation. 

  • A fault or interruption in a stratum. 

  • A malfunction. 

  • A violent occurrence or event. 

  • Efforts taken or expended, typically beyond the normal required. 

  • Liability to punishment; conflict with authority. 

  • Wife. Clipping of trouble and strife. 

  • A distressing or dangerous situation. 

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