Standergras or Standergrass: How To spell?

The word Standergras is misspelled against Standergrass, a noun meaning "A plant (Orchis mascula); -- called also standerwort, and long purple. See Long purple, under Long."

Standergrass 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:  standergra-s 
Correct Spelling:  standergra-ss 
Explore spell check of Standergrass to spell without errors.

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