accede vs coronate

accede

verb
  • To come to an office, state or dignity; to attain, assume (a position). 

  • To become a party to an agreement or a treaty. 

  • To agree or assent to a proposal or a view; to give way. 

coronate

verb
  • To crown (a sovereign). 

adj
  • Having a crest or a crownlike appendage. 

  • Having the coronal feathers lengthened or otherwise distinguished. 

  • Having or wearing a crown; crowned. 

  • Girt about the spire with a row of tubercles or spines. 

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