mmm vs reyt

mmm

intj
  • Yes. 

  • Used to represent an utterance that is muffled or spoken with a full mouth (also spelled "mmph"). 

  • An expression used to show thought or reflection 

  • An emotional expression of contentment 

reyt

intj
  • alright 

adv
  • right, good 

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