Ataching or Attaching: How To spell?
The word Ataching is misspelled against Attaching, which is present continuous of "Attach"
Attaching has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings a & aching which should not be misspelled with single 'T'
Wrong Spelling:  a-t-aching  Correct Spelling:  a-tt-aching 
Find more wrongly spelled words of Attaching to spell it well.