As adjectives the difference between boylike and buoylike
is that boylike
is resembling a boy while buoylike
is resembling a buoy or some aspect of one.
As a noun buoy
is (nautical) a float moored in water to mark a location, warn of danger, or indicate a navigational channel.
As a verb buoy
is to keep afloat or aloft; used with up
As an adjective buoylike is
resembling a buoy or some aspect of one.