Pertuned or Pertained: How To spell?

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

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