Concus or Concuss: How To spell?
The word Concus is misspelled against Concuss, a verb meaning "To force (a person) to do something, or give up something, by intimidation; to coerce."
Concuss 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:  concu-s  Correct Spelling:  concu-ss 
Check more misspelled words of Concuss to spell it correct.