Jyothis is a Sanskrit word which means astronomy in English. There are several synonyms for Jyothis, one of which is "Jyotisha" which is also a Sanskrit word. This word refers to the Vedic system of astrology and astronomy. Another synonym for Jyothis is "Vidya" which means knowledge or skill. This term is often used in the context of Vedic knowledge and refers to the study of astronomy and astrology. In the English language, the words "astronomy" and "astrology" are used as synonyms for Jyothis. Astronomy refers to the scientific study of celestial objects, while astrology refers to the belief that the positions and movements of celestial bodies can influence human affairs and personality traits.