Calcareousnes or Calcareousness: How To spell?
The word Calcareousnes is misspelled against Calcareousness, a noun meaning "Quality of being calcareous."
Calcareousness 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:  calcareousne-s  Correct Spelling:  calcareousne-ss 
Check more misspelled words of Calcareousness to spell it correct.