Atachment or Attachment: How To spell?
The word Atachment is misspelled against Attachment, a noun meaning "A seizure or taking into custody by virtue of a legal process."
Attachment has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings a & achment which should not be misspelled with single 'T'
Wrong Spelling:  a-t-achment  Correct Spelling:  a-tt-achment 
Explore spell check of Attachment to spell without errors.