Threadines or Threadiness: How To spell?
The word Threadines is misspelled against Threadiness, a noun meaning "Quality of being thready."
Threadiness 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:  threadine-s  Correct Spelling:  threadine-ss 
Find more wrongly spelled words of Threadiness to spell it well.