ANT - Any of various insects in the family Formicidae in the order Hymenoptera, typically living in large colonies composed almost entirely of flightless females.
BAN - To summon; call out.
MAN - An adult male human.
MOB - An unruly group of people.
NAB - To seize, arrest or take into custody a criminal or fugitive.
NOT - Negates the meaning of the modified verb.
TAB - A small flap or strip of material attached to something, for holding, manipulation, identification, etc.
TAN - A symbol of the trigonometric function tangent.
TON - A unit of weight (mass) equal to 2240 pounds (a long ton) or 2000 pounds (a short ton) or 1000 kilograms (a metric ton).
BAM - Representing a loud noise or heavy impact.
BOA - Any of a group of large American snakes, of the genus Boa, including the boa constrictor, the emperor boa of Mexico, and the chevalier boa of Peru.
BOT - The larva of a bot fly, which infests the skin of various mammals, producing warbles, or the nasal passage of sheep, or the stomach of horses.
OAT - Widely cultivated cereal grass, typically Avena sativa.
ATOM - The smallest, indivisible constituent part or unit of something.
BOAT - A craft used for transportation of goods, fishing, racing, recreational cruising, or military use on or in the water, propelled by oars or outboard motor or inboard motor or by wind.
TOMB - A small building (or "vault") for the remains of the dead, with walls, a roof, and (if it is to be used for more than one corpse) a door. It may be partly or wholly in the ground (except for its entrance) in a cemetery, or it may be inside a church proper or in its crypt. Single tombs may be permanently sealed; those for families (or other groups) have doors for access whenever needed.
MOAN - A low, mournful cry of pain, sorrow or pleasure.
MOAT - A deep, wide defensive ditch, normally filled with water, surrounding a fortified habitation.
BATON - A staff or truncheon, used for various purposes; as, the baton of a field marshal.
BOATMAN - A man in charge of a small boat.