Buterbump or Butterbump: How To spell?
The word Buterbump is misspelled against Butterbump, a noun meaning "The European bittern."
Butterbump has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings bu & erbump which should not be misspelled with single 'T'
Wrong Spelling:  bu-t-erbump  Correct Spelling:  bu-tt-erbump 
Check more misspelled words of Butterbump to spell it correct.