chatty vs untalkative

chatty

adj
  • Supplying more information than necessary; verbose. 

  • Of a person, chatting a lot or fond of chatting. 

  • Infested with lice; or, (figuratively) dirty, worn or of poor quality; lousy. 

  • Of a text or speech, expressed in a conversational style. 

untalkative

adj
  • unwilling to talk; taciturn; refusing to speak 

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