rowboat vs sunfish

rowboat

noun
  • A small open boat propelled by oars (by rowing). 

verb
  • To row a boat of this kind. 

sunfish

noun
  • Any of various large marine fishes of the family Molidae that have an oval compressed body. 

  • Any of various small freshwater fishes of the family Centrarchidae, often with iridescent colours and having a laterally compressed body. 

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