Which zodiac sign is known as "Sagittārius," and shares a similarity with another sign meaning "those who have similar forms and were born on the same day"?

"Sagittārius," which translates to "Archer" in Latin, corresponds to the zodiac sign Sagittarius. This sign is associated with individuals who are typically adventurous, optimistic, and knowledgeable. The similarity with the other sign stems from the meaning of "Gemini," which is derived from the Latin for "twins." Those under the sign of Gemini symbolize duality and companionship, reflecting the idea of having similar forms and potentially sharing birthdays.

The connection between Sagittarius and Gemini lies in their astrological traits, particularly their social nature and inclination toward exploration. Both signs can be characterized by a thirst for knowledge and connection, making Gemini a fitting counterpart for the comparison. They share attributes that emphasize interpersonal relationships, adventure, and interaction, solidifying the relationship mentioned in the question.

The other signs listed do not exhibit this significance in terms of duality or a shared birthdate theme, which is central to the interpretation of Gemini's symbolism.