sea lion vs sealion

sea lion

noun
  • A steamer transporting cattle from the ports of Texas. 

  • A monster consisting of the upper part of a lion combined with the tail of a fish. 

  • A cow or bull transported by steamer from the ports of Texas. 

  • A marine mammal of any of several genera in the family Otariidae (the eared seals). 

sealion

verb
  • To intrude on a conversation with disingenuous questions in an attempt to engage in unwanted debate as a form of harassment. 

noun
  • One who engages in sealioning. 

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