Fusy or Fussy: How To spell?
The word Fusy is misspelled against Fussy, a comparative word meaning "Making a fuss; disposed to make an unnecessary ado about trifles; overnice; fidgety."
Fussy has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings fu & y which should not be misspelled with single 'S'
Wrong Spelling:  fu-s-y  Correct Spelling:  fu-ss-y 
Check more misspelled words of Fussy to spell it correct.