Appertened or Appertained: How To spell?

The word Appertened is misspelled against Appertained, which is past tense of "Appertain"

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

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