Deadlines or Deadliness: How To spell?

The word Deadlines is misspelled against Deadliness, a noun meaning "The quality of being deadly."

Deadliness 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:  deadline-s 
Correct Spelling:  deadline-ss 
Find more wrongly spelled words of Deadliness to spell it well.

You might be interested to know

Deplorednes or Deploredness?

Dinnerles or Dinnerless?

Doctores or Doctoress?