defiance vs struggle

defiance

noun
  • A challenging attitude or behaviour; challenge. 

  • The feeling, or spirit of being defiant. 

  • Open or bold resistance to or disregard for authority, opposition, or power. 

struggle

noun
  • Strife, contention, great effort. 

  • A contortion of the body in an attempt to escape or to perform a difficult task. 

verb
  • To strive, to labour in difficulty, to fight (for or against), to contend. 

  • To strive, or to make efforts, with a twisting, or with contortions of the body. 

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