Remaned or Remained: How To spell?

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

Word contains consecutive vowels 'AI' in between alphabets rem & ned is misspelled as 'A'
Wrong Spelling:  rem-a-ned 
Correct Spelling:  rem-ai-ned 
Explore spell check of Remained to spell without errors.

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