Extensiblenes or Extensibleness: How To spell?
The word Extensiblenes is misspelled against Extensibleness, a noun meaning "Extensibility."
Extensibleness 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:  extensiblene-s  Correct Spelling:  extensiblene-ss 
Find more wrongly spelled words of Extensibleness to spell it well.