Pertauned or Pertained: How To spell?

The word Pertauned is misspelled against Pertained, which is past tense of "Pertain"

Word contains consecutive vowels 'AI' in between alphabets pert & ned is misspelled as 'AU'
Wrong Spelling:  pert-au-ned 
Correct Spelling:  pert-ai-ned 
Check more misspelled words of Pertained to spell it correct.

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