Bur or Burr: How To spell?
The word Bur is misspelled against Burr, a noun meaning "A broad iron ring on a tilting lance just below the gripe, to prevent the hand from slipping."
Burr has double 'rr' in the end mispronounced as 'r'Remember double 'RR' appears in the end of this word which should not be misspelled with single 'R'
Wrong Spelling:  bu-r  Correct Spelling:  bu-rr 
Check more misspelled words of Burr to spell it correct.