Hordauc or Hordeic: How To spell?

The word Hordauc is misspelled against Hordeic, an adjective meaning "Pertaining to, or derived from, barley; as, hordeic acid, an acid identical or isomeric with lauric acid."

Word contains consecutive vowels 'EI' in between alphabets hord & c is misspelled as 'AU'
Wrong Spelling:  hord-au-c 
Correct Spelling:  hord-ei-c 
Check more misspelled words of Hordeic to spell it correct.