Detuned or Detained: How To spell?

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

Word contains consecutive vowels 'AI' in between alphabets det & ned is misspelled as 'U'
Wrong Spelling:  det-u-ned 
Correct Spelling:  det-ai-ned 
Check more misspelled words of Detained to spell it correct.

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