Hygest or Hygeist: How To spell?

The word Hygest is misspelled against Hygeist, a noun meaning "One skilled in hygiena; a hygienist."

Word contains consecutive vowels 'EI' in between alphabets hyg & st is misspelled as 'E' as letter 'I' is phonetically ignored
Wrong Spelling:  hyg-e-st 
Correct Spelling:  hyg-ei-st 
Explore spell check of Hygeist to spell without errors.