Ambrauc or Ambreic: How To spell?

The word Ambrauc is misspelled against Ambreic, an adjective meaning "pertaining to ambrein; -- said a certain acid produced by digesting ambrein in nitric acid."

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