Muntuning or Maintaining: How To spell?

The word Muntuning is misspelled against Maintaining, which is present continuous of "Maintain"

Word contains consecutive vowels 'AI' twice is misspelled as 'U'
Wrong Spelling:  m-u-nt-u-ning 
Correct Spelling:  m-ai-nt-ai-ning 
Check more misspelled words of Maintaining to spell it correct.

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