Libra vs Libra the Balance

Libra and Libra the Balance both are nouns.

Word	Noun	Adjective	Verb	Adverb
Libra	Yes	No	No	No
Libra the Balance	Yes	No	No	No

As nouns, Libra and Libra the Balance are synonyms defined as:

Libra and Libra the Balance: the seventh sign of the zodiac; the sun is in this sign from about September 23 to October 22

Other synonyms of Libra include Balance, Libra the Scales.

Libra (noun)	Libra the Balance (noun)
the seventh sign of the zodiac; the sun is in this sign from about September 23 to October 22	the seventh sign of the zodiac; the sun is in this sign from about September 23 to October 22
a small faint zodiacal constellation in the Southern Hemisphere; between Virgo and Scorpius
(astrology) a person who is born while the sun is in Libra