Proteunaceous or Proteinaceous: How To spell?

The word Proteunaceous is misspelled against Proteinaceous, an adjective meaning "related to protein; albuminous; proteid."

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