declaim vs expatiate

declaim

verb
  • To recite, e.g., poetry, in a theatrical way; to speak for rhetorical display; to speak pompously, noisily, or theatrically; bemouth; to make an empty speech; to rehearse trite arguments in debate; to rant. 

  • To object to something vociferously; to rail against in speech. 

  • To speak rhetorically; to make a formal speech or oration; specifically, to recite a speech, poem, etc., in public as a rhetorical exercise; to practice public speaking. 

expatiate

verb
  • To write or speak at length; to be copious in argument or discussion. 

  • To range at large, or without restraint. 

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