Grased or Grassed: How To spell?
The word Grased is misspelled against Grassed, which is past tense of "Grass"
Grassed has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings gra & ed which should not be misspelled with single 'S'
Wrong Spelling:  gra-s-ed  Correct Spelling:  gra-ss-ed 
Explore spell check of Grassed to spell without errors.