Buterbur or Butterbur: How To spell?

The word Buterbur is misspelled against Butterbur, a noun meaning "A broad-leaved plant (Petasites vulgaris) of the Composite family, said to have been used in England for wrapping up pats of butter."

Butterbur has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings bu & erbur which should not be misspelled with single 'T'
Wrong Spelling:  bu-t-erbur 
Correct Spelling:  bu-tt-erbur 
Check more misspelled words of Butterbur to spell it correct.

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