ACE - A single point or spot on a playing card or die.
BAN - To summon; call out.
CAB - A taxi; a taxicab.
CAN - To know how to; to be able to.
NAB - To seize, arrest or take into custody a criminal or fugitive.
ONE - A numerical value equal to 1; the first number in the set of natural numbers (especially in number theory); the cardinality of the smallest nonempty set. Ordinal: first.
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.
COB - A male swan.
ACNE - A skin condition, usually of the face, that is common in adolescents. It is characterised by red pimples, and is caused by the inflammation of sebaceous glands through bacterial infection.
BEAN - The large edible seed of plants of several genera of Fabaceae.
BONE - A composite material consisting largely of calcium phosphate and collagen and making up the skeleton of most vertebrates.
CANE - The slender, flexible main stem of a plant such as bamboo, including many species in the Grass family Gramineae.
CONE - A surface of revolution formed by rotating a segment of a line around another line that intersects the first line.
ONCE - One and only one time.
BANE - A cause of misery or death; an affliction or curse.
BACON - Cured meat from the sides, belly, or back of a pig.
OCEAN - One of the five large bodies of water separating the continents.
CANOE - A small long and narrow boat, propelled by one or more people (depending on the size of canoe), using single-bladed paddles. The paddlers face in the direction of travel, in either a seated position, or kneeling on the bottom of the boat. Canoes are open on top, and pointed at both ends.
BEACON - A signal fire to notify of the approach of an enemy, or to give any notice, commonly of warning or guiding.