BOB - To move gently and vertically, in either a single motion or repeatedly up and down, at or near the surface of a body of water.
BOY - Male servant.
BYE - The position of a person or team in a tournament or competition who draws no opponent in a particular round so advances to the next round unopposed, or is awarded points for a win in a league table; also the phantom opponent of such a person or team.
LOB - To throw or hit a ball into the air in a high arch.
EBB - The receding movement of the tide.
BELL - A percussive instrument made of metal or other hard material, typically but not always in the shape of an inverted cup with a flared rim, which resonates when struck.
LOBE - Any projection or division, especially one of a somewhat rounded form.
OBEY - To do as ordered by (a person, institution etc), to act according to the bidding of.
YELL - Shout; holler; make a loud sound with the voice.
BLOB - A shapeless or amorphous mass; a vague shape or amount, especially of a liquid or semisolid substance; a clump, group or collection that lacks definite shape.
BOLL - The rounded seed-bearing capsule of a cotton or flax plant.
BELLY - The abdomen.
LOBBY - An entryway or reception area; vestibule; passageway; corridor.
BELLBOY - A male worker, usually at a hotel, who carries luggage and runs errands.