Detened or Detained: How To spell?

The word Detened is misspelled against Detained, which is past tense of "Detain"

Word contains consecutive vowels 'AI' in between alphabets det & ned is misspelled as 'E'
Wrong Spelling:  det-e-ned 
Correct Spelling:  det-ai-ned 
Explore spell check of Detained to spell without errors.

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