Peppergras or Peppergrass: How To spell?
The word Peppergras is misspelled against Peppergrass, a noun meaning "Any herb of the cruciferous genus Lepidium, especially the garden peppergrass, or garden cress, Lepidium sativum; -- called also pepperwort. All the species have a pungent flavor."
Peppergrass has double 'ss' in the end mispronounced as 's'Remember double 'SS' appears in the end of this word which should not be misspelled with single 'S'
Wrong Spelling:  peppergra-s  Correct Spelling:  peppergra-ss 
Explore spell check of Peppergrass to spell without errors.