ACT - Something done, a deed.
AIR - The atmospheric substance above the surface of the earth which animals breathe, formerly considered to be a single substance, one of the four basic elements of ancient philosophy and one of the five basic elements of Eastern traditions.
ARC - A directed edge.
ART - Human effort to imitate, supplement, alter, or counteract the work of nature.
CAR - A wheeled vehicle, drawn by a horse or other animal.
CAT - Any similar animal of the family Felidae, which includes lions, tigers, bobcats, etc.
RAG - A coarse kind of rock, somewhat cellular in texture; ragstone.
RAT - A medium-sized rodent belonging to the genus Rattus.
RIG - The rigging of a sailing ship or other such craft.
TAG - A small label.
TAR - A black, oily, sticky, viscous substance, consisting mainly of hydrocarbons derived from organic materials such as wood, peat, or coal.
GIT - A contemptible person.
TIC - A local and habitual convulsive motion of certain muscles.
CART - A small, open, wheeled vehicle, drawn or pushed by a person or animal, more often used for transporting goods than passengers.
GAIT - Manner of walking or stepping; bearing or carriage while moving.
GRIT - Collection of hard small materials, such as dirt, ground stone, debris from sandblasting or other such grinding, swarf from metalworking.
CIGAR - Tobacco, rolled and wrapped with an outer covering of tobacco leaves, intended to be smoked.
TRAGIC - Causing great sadness or suffering.