Overgrased or Overgrassed: How To spell?
The word Overgrased is misspelled against Overgrassed, an adjective meaning "Overstocked, or overgrown, or covered, with grass."
Overgrassed has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings overgra & ed which should not be misspelled with single 'S'
Wrong Spelling:  overgra-s-ed  Correct Spelling:  overgra-ss-ed 
Explore spell check of Overgrassed to spell without errors.