Detener or Detainer: How To spell?

The word Detener is misspelled against Detainer, a noun meaning "A writ authorizing the keeper of a prison to continue to keep a person in custody."

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

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