daughter vs son-in-law

daughter

noun
  • A descendant. 

  • A daughter language. 

  • One’s female offspring. 

  • A nuclide left over from radioactive decay. 

  • A female character of a creator. 

  • A female descendant. 

  • A familiar address to a female person from an older or otherwise more authoritative person. 

son-in-law

noun
  • The husband of one's child. 

How often have the words daughter and son-in-law occurred in a corpus of books? (source: Google Ngram Viewer )