Sierfish or Seirfish: How To spell?

The word Sierfish is misspelled against Seirfish, a noun meaning "Same as Seerfish."

Word contains consecutive vowels 'EI' in between alphabets s & rfish is misspelled as 'IE'
Wrong Spelling:  s-ie-rfish 
Correct Spelling:  s-ei-rfish 
Find more wrongly spelled words of Seirfish to spell it well.