Blunderbus or Blunderbuss: How To spell?

The word Blunderbus is misspelled against Blunderbuss, a noun meaning "A short gun or firearm, with a large bore, capable of holding a number of balls, and intended to do execution without exact aim."

--> Blunderbuss 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:  blunderbu-s 
Correct Spelling:  blunderbu-ss 
Check more misspelled words of Blunderbuss to spell it correct.

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