Bulheaded or Bullheaded: How To spell?
The word Bulheaded is misspelled against Bullheaded, an adjective meaning "Having a head like that of a bull. Fig.: Headstrong; obstinate; dogged."
Bullheaded has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings bu & headed which should not be misspelled with single 'L'
Wrong Spelling:  bu-l-headed  Correct Spelling:  bu-ll-headed 
Check more misspelled words of Bullheaded to spell it correct.