Attianed or Attained: How To spell?

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

Word contains consecutive vowels 'AI' in between alphabets att & ned is misspelled as 'IA'
Wrong Spelling:  att-ia-ned 
Correct Spelling:  att-ai-ned 
Find more wrongly spelled words of Attained to spell it well.

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