haarder vs so-iuy mullet

haarder

noun

  • Planiliza haematocheilus, the redlip mullet, a mugilid fish. 

so-iuy mullet

noun

  • Planiliza haematocheilus. 

How often have the words haarder and so-iuy mullet occurred in a corpus of books? (source: Google Ngram Viewer )