The word Sapidnes is misspelled against Sapidness, a noun meaning "Quality of being sapid; sapidity."
-->
Sapidness 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:  sapidne-s 
Correct Spelling:  sapidne-ss 
Find more wrongly spelled words of Sapidness to spell it well.