The word Protainly is misspelled against Proteanly, an adverb meaning "In a protean manner."
-->
Proteanly has vowels 'ea' together mispronounced as 'ai'
Word contains consecutive vowels 'EA' in between alphabets prot & nly is misspelled as 'AI'
Wrong Spelling:  prot-ai-nly 
Correct Spelling:  prot-ea-nly 
Find more incorrect spellings of Proteanly to spell right way.