Protaenous or Proteinous: How To spell?

The word Protaenous is misspelled against Proteinous, an adjective meaning "Proteinaceuos."

Word contains consecutive vowels 'EI' in between alphabets prot & nous is misspelled as 'AE'
Wrong Spelling:  prot-ae-nous 
Correct Spelling:  prot-ei-nous 
Check more misspelled words of Proteinous to spell it correct.