Tresful or Tressful: How To spell?
The word Tresful is misspelled against Tressful, an adjective meaning "Tressy."
Tressful has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings tre & ful which should not be misspelled with single 'S'
Wrong Spelling:  tre-s-ful  Correct Spelling:  tre-ss-ful 
Check more misspelled words of Tressful to spell it correct.