Mentened or Maintained: How To spell?

The word Mentened is misspelled against Maintained, which is past tense of "Maintain"

Word contains consecutive vowels 'AI' twice is misspelled as 'E'
Wrong Spelling:  m-e-nt-e-ned 
Correct Spelling:  m-ai-nt-ai-ned 
Explore spell check of Maintained to spell without errors.

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