dad vs longbeard

dad

noun
  • Used to address an older adult male 

  • A lump or piece. 

  • A blow; act of striking something. 

  • A father, a male parent. 

  • Used to address one's father 

verb
  • To throw against something; to dash. 

longbeard

noun
  • Synonym of greybeard (“an old man”) 

  • A man with a long beard. 

  • Synonym of greybeard (“experienced long-time member of a group”) 

  • Synonym of greybeard (“a bellarmine”) 

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