Refrianed or Refrained: How To spell?

The word Refrianed is misspelled against Refrained, which is past tense of "Refrain"

Word contains consecutive vowels 'AI' in between alphabets refr & ned is misspelled as 'IA'
Wrong Spelling:  refr-ia-ned 
Correct Spelling:  refr-ai-ned 
Find more wrongly spelled words of Refrained to spell it well.

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