The word Protainous is misspelled against Proteinous, an adjective meaning "Proteinaceuos."
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Word contains consecutive vowels 'EI' in between alphabets prot & nous is misspelled as 'AI'
Wrong Spelling:  prot-ai-nous 
Correct Spelling:  prot-ei-nous 
Check more misspelled words of Proteinous to spell it correct.