Mentener or Maintainer: How To spell?

The word Mentener is misspelled against Maintainer, a noun meaning "One who maintains."

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

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