NET - A mesh of string, cord or rope.
NUT - A hard-shelled seed.
RUN - Act or instance of running, of moving rapidly using the feet.
RUT - Sexual desire or oestrus of cattle, and various other mammals.
TEN - A numerical value equal to 10; the number occurring after nine and before eleven, represented in Roman numerals as X, in Arabic numerals as 10, and in the hexadecimal system (base 16) as A.
RUE - Repentance, regret.
ERR - To make a mistake.
RENT - A payment made by a tenant at intervals in order to occupy a property.
TRUE - Conforming to the actual state of reality or fact; factually correct.
TUNE - A melody.
TURN - Of a body, person, etc, to move around an axis through itself.
RUNT - The smallest animal of a litter.
TERN - Any of various sea birds of the family Sternidae that are similar to gulls but are smaller, more elegant and have a forked tail.
RUNE - A letter, or character, belonging to the written language of various ancient Germanic peoples, especially the Scandinavians and the Anglo-Saxons.
TUNER - A person who tunes a piano.
TRUER - Comparative form of true: more true.
RERUN - A television program shown after its initial presentation (particularly many weeks after its initial presentation); a repeat.
RETURN - To come or go back (to a place or person).
UNTRUE - False; not true.
NURTURE - The act of nourishing or nursing; tender care; education; training.