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