ARM - The portion of the upper human appendage, from the shoulder to the wrist and sometimes including the hand.
ART - Human effort to imitate, supplement, alter, or counteract the work of nature.
MAR - To spoil, to damage.
MAT - A flat piece of coarse material used for wiping one's feet, or as a decorative or protective floor covering.
RAM - A male sheep.
RAT - A medium-sized rodent belonging to the genus Rattus.
RUM - A distilled spirit derived from fermented cane sugar and molasses.
RUT - Sexual desire or oestrus of cattle, and various other mammals.
TAR - A black, oily, sticky, viscous substance, consisting mainly of hydrocarbons derived from organic materials such as wood, peat, or coal.
TAU - The name of the letter T/τ in the Greek, Hebrew and ancient Semitic alphabets, being the nineteenth letter of the Classical and Modern Greek, the twentieth letter of Old and Ancient Greek.
AURA - Distinctive atmosphere or quality associated with something.
MART - A market.
TRAM - A passenger vehicle for public use that runs on tracks in the road.
TRAUMA - Any serious injury to the body, often resulting from violence or an accident.