Remoned or Remained: How To spell?

The word Remoned is misspelled against Remained, which is past tense of "Remain"

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

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