Thirstines or Thirstiness: How To spell?
The word Thirstines is misspelled against Thirstiness, a noun meaning "The state of being thirsty; thirst."
Thirstiness 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:  thirstine-s  Correct Spelling:  thirstine-ss 
Find more wrongly spelled words of Thirstiness to spell it well.