The word Swetwort is misspelled against Sweetwort, a noun meaning "Any plant of a sweet taste."
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Sweetwort has double "ee" is mispronounced as "e"
Remember double 'EE' in between the strings Sw & twort which should not be misspelled with single 'E'
Wrong Spelling:  Sw-e-twort 
Correct Spelling:  Sw-ee-twort 
Find more incorrect spellings of Sweetwort to spell right way.