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Sanskrit vs. Hindi

Sanskrit
[san-skrit] / ˈsæn skrɪt /
Older Spelling, Sanscrit

noun

Sanskrits plural

  1. an Indo-European, Indic language, in use since c1200 b.c. as the religious and classical literary language of India. Skt, Skt., Skr., Skrt

adjective

  1. Also Sanskritic of or relating to Sanskrit.

Hindi
[hin-dee] / ˈhɪn di /

noun

  1. the most widely spoken of the modern Indic vernaculars, especially its best-known variety, Western Hindi.

  2. a literary language derived from Hindustani, used by Hindus.