Fahrenheat or Fahrenheit: How To spell?

The word Fahrenheat 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 'EA'
Wrong Spelling:  fahrenh-ea-t 
Correct Spelling:  fahrenh-ei-t 
Explore spell check of Fahrenheit to spell without errors.