Infirmnes or Infirmness: How To spell?
The word Infirmnes is misspelled against Infirmness, a noun meaning "Infirmity; feebleness."
Infirmness 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:  infirmne-s  Correct Spelling:  infirmne-ss 
Find more wrongly spelled words of Infirmness to spell it well.