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.
LAW - The body of rules and standards issued by a government, or to be applied by courts and similar authorities.
LAY - To place down in a position of rest, or in a horizontal position.
RAY - A beam of light or radiation.
WAR - Organized, large-scale, armed conflict between countries or between national, ethnic, or other sizeable groups, usually involving the engagement of military forces.
WAY - A road, a direction, a (physical or conceptual) path from one place to another.
WRY - To cover; clothe; cover up; cloak; hide.
AIL - Painful; troublesome.
AWAY - From a place, hence.
LIAR - One who tells lies.
RAIL - A horizontal bar extending between supports and used for support or as a barrier; a railing.
WARY - Cautious of danger; carefully watching and guarding against deception, artifices, and dangers; timorously or suspiciously prudent; circumspect; scrupulous; careful.
AIRY - Consisting of air; as, an airy substance; the airy parts of bodies.
WIRY - Thin, muscular and flexible.
LAIR - A place inhabited by a wild animal, often a cave or a hole in the ground.
WAIL - A prolonged cry, usually high-pitched, especially as of grief or anguish.
WILY - Sly, cunning, full of tricks.
AIRWAY - The trachea.
WARILY - In a wary manner.
RAILWAY - A track, consisting of parallel rails, over which wheeled vehicles may travel.