Fahrenheyt or Fahrenheit: How To spell?

The word Fahrenheyt is misspelled against Fahrenheit, a noun meaning "The Fahrenheit termometer or scale."

Word contains consecutive vowels 'EI' in between alphabets fahrenh & t is misspelled as 'EY'
Wrong Spelling:  fahrenh-ey-t 
Correct Spelling:  fahrenh-ei-t 
Explore spell check of Fahrenheit to spell without errors.