The word Glosing is misspelled against Glossing, which is present continuous of "Gloss"
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Glossing has double "ss" is mispronounced as "s"
Remember double 'SS' in between the strings glo & ing which should not be misspelled with single 'S'
Wrong Spelling:  glo-s-ing 
Correct Spelling:  glo-ss-ing 
Find more incorrect spellings of Glossing to spell right way.