give up vs relinquish

give up

verb
  • To surrender (someone or something) 

  • To admit defeat, capitulate 

  • Become fully taken over by a certain quality, activity, trait, &c. 

  • To abandon (someone or something) 

  • To relinquish (something) 

  • To execute a trade on behalf of another broker. 

  • To stop or quit (an activity, etc.) 

  • To lose hope concerning (someone or something) 

relinquish

verb
  • To metaphorically surrender, yield control or possession. 

  • To give up, abandon or retire from something. To trade away. 

  • To let go (free, away), physically release. 

  • To accept to give up, withdraw etc. 

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