Tesellated or Tessellated: How To spell?
The word Tesellated is misspelled against Tessellated, an adjective meaning "Formed of little squares, as mosaic work; checkered; as, a tessellated pavement."
Tessellated has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings te & ellated which should not be misspelled with single 'S'
Wrong Spelling:  te-s-ellated  Correct Spelling:  te-ss-ellated 
Explore spell check of Tessellated to spell without errors.