ART - Human effort to imitate, supplement, alter, or counteract the work of nature.
HAT - A covering for the head, often in the approximate form of a cone or a cylinder closed at its top end, and sometimes having a brim and other decoration.
OAR - An implement used to propel a boat or a ship in the water, having a flat blade at one end, being rowed from the other end and being normally fastened to the vessel.
RAT - A medium-sized rodent belonging to the genus Rattus.
ROT - To suffer decomposition due to biological action, especially by fungi or bacteria.
TAR - A black, oily, sticky, viscous substance, consisting mainly of hydrocarbons derived from organic materials such as wood, peat, or coal.
TAX - Money paid to the government other than for transaction-specific goods and services.
OATH - A solemn pledge or promise to a god, king, or another person, to attest to the truth of a statement or contract.
HOAX - To deceive (someone) by making them believe something which has been maliciously or mischievously fabricated.
HART - A male deer, especially the male of the red deer after its fifth year.
THORAX - The middle of three distinct divisions in an insect, crustacean or arachnid body.