Botoming or Bottoming: How To spell?
The word Botoming is misspelled against Bottoming, which is present continuous of "Bottom"
Bottoming has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings bo & oming which should not be misspelled with single 'T'
Wrong Spelling:  bo-t-oming  Correct Spelling:  bo-tt-oming 
Find more incorrect spellings of Bottoming to spell right way.