agree vs struggle

agree

verb
  • To suit or be adapted in its effects; to do well. 

  • To make a stipulation by way of settling differences or determining a price; to exchange promises; to come to terms or to a common resolve; to promise. 

  • To consent to a contract or to an element of a contract. 

  • To be in harmony about an opinion, statement, or action; to have a consistent idea between two or more people. 

  • To give assent; to accede 

  • To correspond to (another word) in a grammatical category, such as gender, number, case, or person. 

  • To yield assent to; to approve. 

  • To resemble; to coincide; to correspond. 

struggle

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

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

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

  • Strife, contention, great effort. 

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