Lightrom or Lightroom: How To spell?
The word Lightrom is misspelled against Lightroom, a noun meaning "A small room from which the magazine of a naval vessel is lighted, being separated from the magazine by heavy glass windows."
Lightroom has double "oo" is mispronounced as "o"Remember double 'OO' in between the strings lightr & m which should not be misspelled with single 'O'
Wrong Spelling:  lightr-o-m  Correct Spelling:  lightr-oo-m 
Find more incorrect spellings of Lightroom to spell right way.