Mosback or Mossback: How To spell?
The word Mosback is misspelled against Mossback, a noun meaning "A veteran partisan; one who is so conservative in opinion that he may be likened to a stone or old tree covered with moss."
Mossback has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings mo & back which should not be misspelled with single 'S'
Wrong Spelling:  mo-s-back  Correct Spelling:  mo-ss-back 
Find more incorrect spellings of Mossback to spell right way.