Thritene or Thrittene: How To spell?
The word Thritene is misspelled against Thrittene, an adjective meaning "Thirteen."
Thrittene has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings thri & ene which should not be misspelled with single 'T'
Wrong Spelling:  thri-t-ene  Correct Spelling:  thri-tt-ene 
Find more wrongly spelled words of Thrittene to spell it well.