The word Cowwed is misspelled against Cowweed, a noun meaning "Same as Cow parsley."
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Cowweed has double "ee" is mispronounced as "e"
Remember double 'EE' in between the strings Coww & d which should not be misspelled with single 'E'
Wrong Spelling:  Coww-e-d 
Correct Spelling:  Coww-ee-d 
Find more incorrect spellings of Cowweed to spell right way.