The word Buldozer is misspelled against Bulldozer, a noun meaning "One who bulldozes."
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Bulldozer has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings bu & dozer which should not be misspelled with single 'L'
Wrong Spelling:  bu-l-dozer 
Correct Spelling:  bu-ll-dozer 
Check more misspelled words of Bulldozer to spell it correct.