Trebeard or Treebeard: How To spell?
The word Trebeard is misspelled against Treebeard, a noun meaning "A pendulous branching lichen (Usnea barbata); -- so called from its resemblance to hair."
Treebeard has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings Tr & beard which should not be misspelled with single 'E'
Wrong Spelling:  Tr-e-beard  Correct Spelling:  Tr-ee-beard 
Explore spell check of Treebeard to spell without errors.