The word Humidnes is misspelled against Humidness, a noun meaning "Humidity."
-->
Humidness 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:  humidne-s 
Correct Spelling:  humidne-ss 
Check more misspelled words of Humidness to spell it correct.