concur vs rant

concur

verb
  • To converge. 

  • To meet in the same point; to combine or conjoin; to contribute or help towards a common object or effect. 

  • To agree (in action or opinion); to have a common opinion; to coincide; to correspond. 

rant

verb
  • To speak or shout at length in uncontrollable anger. 

  • To dance rant steps. 

  • To disseminate one's own opinions in a - typically - one-sided, strong manner. 

  • To criticize by ranting. 

noun
  • A wild, emotional, and sometimes incoherent articulation. 

  • A criticism done by ranting. 

  • A type of dance step usually performed in clogs, and particularly (but not exclusively) associated with the English North West Morris tradition. The rant step consists of alternately bringing one foot across and in front of the other and striking the ground, with the other foot making a little hop. 

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