--> Sparrowwort has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings spa & owwort which should not be misspelled with single 'R'
Wrong Spelling:  spa-r-owwort 
Correct Spelling:  spa-rr-owwort 
Find more incorrect spellings of Sparrowwort to spell right way.