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.
CAR - A wheeled vehicle, drawn by a horse or other animal.
CRY - To shed tears; to weep.
ICY - Pertaining to, resembling, or abounding in ice; cold; frosty.
LAY - To place down in a position of rest, or in a horizontal position.
RAY - A beam of light or radiation.
AIL - Painful; troublesome.
CAY - A small, low island largely made of sand or coral.
CLAY - A mineral substance made up of small crystals of silica and alumina, that is ductile when moist; the material of pre-fired ceramics.
LIAR - One who tells lies.
RAIL - A horizontal bar extending between supports and used for support or as a barrier; a railing.
AIRY - Consisting of air; as, an airy substance; the airy parts of bodies.
LACY - Made of lace or decorated with it.
LAIR - A place inhabited by a wild animal, often a cave or a hole in the ground.
RACY - Having a strong flavor indicating origin; of distinct characteristic taste; tasting of the soil; hence, fresh; rich.
CIRCA - Approximately, about.
LYRIC - Of, or relating to a type of poetry (such as a sonnet or ode) that expresses subjective thoughts and feelings, often in a songlike style.
ACRYLIC - Derived from acrylic acid or acrylonitrile.