Piro or Pirai: How To spell?

The word Piro is misspelled against Pirai, a noun meaning "Same as Piraya."

Word ends with consecutive vowels 'AI' preceded by alphabets 'pir' is misspelled as 'O'
Wrong Spelling:  pir-o 
Correct Spelling:  pir-ai 
Find more incorrect spellings of Pirai to spell right way.

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