Cos or Coss: How To spell?
The word Cos is misspelled against Coss, a noun meaning "A Hindoo measure of distance, varying from one and a half to two English miles."
Coss has double 'ss' in the end mispronounced as 's'Remember double 'SS' appears in the end of this word which should not be misspelled with single 'S'
Wrong Spelling:  co-s  Correct Spelling:  co-ss 
Find more incorrect spellings of Coss to spell right way.