reenter vs rejoin

reenter

verb
  • To enter again; return into. 

  • To enter again; retype, reinput. 

  • To cut deeper where the aqua fortis has not bitten sufficiently. 

rejoin

verb
  • To come, or go, again into the presence of; to join the company of again. 

  • To join again; to unite after separation. 

  • To answer, as the defendant to the plaintiff's replication. 

  • in US patent law To re-insert a patent claim, typically after allowance of a patent application, applied to patent claims that had been withdrawn from examination under a restriction requirement, based on rejoinder (patent law). 

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