Ambrec or Ambreic: How To spell?

The word Ambrec 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 'E' as letter 'I' is phonetically ignored
Wrong Spelling:  ambr-e-c 
Correct Spelling:  ambr-ei-c 
Explore spell check of Ambreic to spell without errors.