Doubletre or Doubletree: How To spell?
The word Doubletre is misspelled against Doubletree, a noun meaning "The bar, or crosspiece, of a carriage, to which the singletrees are attached."
Doubletree has double 'ee' in the end mispronounced as 'e'Remember double 'EE' appears in the end of this word which should not be misspelled with single 'E'
Wrong Spelling:  doubletr-e  Correct Spelling:  doubletr-ee 
Check more misspelled words of Doubletree to spell it correct.