aye vs yessum

aye

noun
  • An affirmative vote; one who votes in the affirmative. 

intj
  • an attention grabber 

  • yes; yea; a word expressing assent, or an affirmative answer to a question. 

  • a word used to acknowledge a command from a superior, usually preceded by a verbatim repeat-back. 

yessum

abbrev
  • yes ma’am (also used, somewhat less commonly, when speaking to a man) 

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