Losening or Loosening: How To spell?
The word Losening is misspelled against Loosening, which is present continuous of "Loosen"
Loosening has double "oo" is mispronounced as "o"Remember double 'OO' in between the strings l & sening which should not be misspelled with single 'O'
Wrong Spelling:  l-o-sening  Correct Spelling:  l-oo-sening 
Find more incorrect spellings of Loosening to spell right way.