The word Atained is misspelled against Attained, which is past tense of "Attain"
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Attained has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings a & ained which should not be misspelled with single 'T'
Wrong Spelling:  a-t-ained 
Correct Spelling:  a-tt-ained 
Find more wrongly spelled words of Attained to spell it well.