Pa vs da

Pa

noun

  • A short form of grandpa; grandfather. 

  • Father, dad, papa. 

da

intj

  • Yes. 

  • A meaningless syllable used when singing a tune or indicating a rhythm. 

noun

  • Yes; an affirmative response. 

  • Father. 

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