Bom or Boom: How To spell?
The word Bom is misspelled against Boom, a noun meaning "A hollow roar, as of waves or cannon; also, the hollow cry of the bittern; a booming."
Boom has double "oo" is mispronounced as "o"Remember double 'OO' in between the strings b & m which should not be misspelled with single 'O'
Wrong Spelling:  b-o-m  Correct Spelling:  b-oo-m 
Find more incorrect spellings of Boom to spell right way.