Papein or Papain: How To spell?

The word Papein is misspelled against Papain, a noun meaning "A proteolytic ferment, like trypsin, present in the juice of the green fruit of the papaw (Carica Papaya) of tropical America."

Word contains consecutive vowels 'AI' in between alphabets pap & n is misspelled as 'EI'
Wrong Spelling:  pap-ei-n 
Correct Spelling:  pap-ai-n 
Find more wrongly spelled words of Papain to spell it well.

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