mot vs paternal aunt

mot

noun

  • A woman; a wife. 

  • A witty remark; a witticism; a bon mot. 

  • A prostitute. 

  • A landlady. 

paternal aunt

noun

  • The wife of a sibling of someone’s father. 

  • A sister of someone’s father. 

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