Imperviousnes or Imperviousness: How To spell?

The word Imperviousnes is misspelled against Imperviousness, meaning "haughty arrogant commanding"

Imperviousness 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:  imperviousne-s 
Correct Spelling:  imperviousne-ss 
Check more misspelled words of Imperviousness to spell it correct.

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