Attened or Attained: How To spell?

The word Attened is misspelled against Attained, which is past tense of "Attain"

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