pushover vs struggle

pushover

noun
  • Something that is easy to do or accomplish; an easy task. 

  • Someone who is easily swayed or influenced to change his/her mind or comply. 

  • Someone who lets him/herself be picked or bullied on without defending or standing up for him/herself. 

struggle

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

  • Strife, contention, great effort. 

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 pushover and struggle occurred in a corpus of books? (source: Google Ngram Viewer )