Dharma and related words are found in the oldest Vedic literature of Hinduism, in later Vedas, Upanishads, Puranas, and the Epics; the word dharma also plays a central role in the literature of other Indian religions founded later, such as Buddhism and Jainism. According to Brereton, "Dharman" occurs 63 times in Rig-veda; in addition, words related to Dharman also appear in Rig-veda, for example once as dharmakrt, 6 times as "satyadharman", and once as "dharmavant", 4 times as "dharman" and twice as "dhariman".