Menten or Maintain: How To spell?
The word Menten is misspelled against Maintain, a verb meaning "To affirm; to support or defend by argument."
Word contains consecutive vowels 'AI' twice is misspelled as 'E'Wrong Spelling:  m-e-nt-e-n  Correct Spelling:  m-ai-nt-ai-n 
Explore spell check of Maintain to spell without errors.