Retoler or Retailer: How To spell?

The word Retoler is misspelled against Retailer, a noun meaning "One who retails anything; as, a retailer of merchandise; a retailer of gossip."

Word contains consecutive vowels 'AI' in between alphabets ret & ler is misspelled as 'O'
Wrong Spelling:  ret-o-ler 
Correct Spelling:  ret-ai-ler 
Find more incorrect spellings of Retailer to spell right way.

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