Detynment or Detainment: How To spell?

The word Detynment is misspelled against Detainment, a noun meaning "Detention."

Word contains consecutive vowels 'AI' in between alphabets det & nment is misspelled as 'Y'
Wrong Spelling:  det-y-nment 
Correct Spelling:  det-ai-nment 
Explore spell check of Detainment to spell without errors.

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