Buterwort or Butterwort: How To spell?
The word Buterwort is misspelled against Butterwort, a noun meaning "A genus of low herbs (Pinguicula) having simple leaves which secrete from their glandular upper surface a viscid fluid, to which insects adhere, after which the margin infolds and the insects are digested by the plant. The species are found mostly in the North Temperate zone."
Butterwort has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings bu & erwort which should not be misspelled with single 'T'
Wrong Spelling:  bu-t-erwort  Correct Spelling:  bu-tt-erwort 
Check more misspelled words of Butterwort to spell it correct.