boating vs pelagic

boating

noun
  • The activity of going out onto a body of water in a boat. 

  • In Persia, a punishment of capital offenders, by laying them on the back in a covered boat, where they are left to perish. 

pelagic

noun
  • Any organism that lives in the open sea rather than in coastal or inland waters. 

adj
  • Living in the open sea rather than in coastal or inland waters. 

  • Of or pertaining to oceans. 

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