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.

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