The word Sparowgrass is misspelled against Sparrowgrass, a noun meaning "Asparagus."
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Sparrowgrass has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings spa & owgrass which should not be misspelled with single 'R'
Wrong Spelling:  spa-r-owgrass 
Correct Spelling:  spa-rr-owgrass 
Find more incorrect spellings of Sparrowgrass to spell right way.