Raoler or Railer: How To spell?

The word Raoler is misspelled against Railer, a noun meaning "One who rails; one who scoffs, insults, censures, or reproaches with opprobrious language."

Word contains consecutive vowels 'AI' in between alphabets r & ler is misspelled as 'AO'
Wrong Spelling:  r-ao-ler 
Correct Spelling:  r-ai-ler 
Find more incorrect spellings of Railer to spell right way.

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