What is the difference between boy and bouy. Share with your friends Share 0 Harsh Shukla answered this 'Bouy' has 'u' in it where as 'Boy' does not have it :) *_* -1 View Full Answer Born To Lead...hason answered this A buoy is a floating object that is used to show ships and boats where they can go and to warn them of danger.A boy is a child who will grow up to be a man.this is the difference 1 Vivek Hipparkar answered this Boy-a male child or youth.Bouy-an anchored float serving as a navigation mark, to show reefs or other hazards, or for mooring 1 Areesh Zaidi answered this iuuoui 1