Galleun or Gallein: How To spell?

The word Galleun is misspelled against Gallein, a noun meaning "A red crystalline dyestuff, obtained by heating together pyrogallic and phthalic acids."

Word contains consecutive vowels 'EI' in between alphabets gall & n is misspelled as 'EU'
Wrong Spelling:  gall-eu-n 
Correct Spelling:  gall-ei-n 
Check more misspelled words of Gallein to spell it correct.