[[sanskrit]], [[ie-epic]]
---
[[mahabharata]]
[[ramayana]]
Apart from one instance of a hymn to the Ashvins and a hymn to Indra in the Mahabharata Usage of Vedic archaisms is pretty rare in epic and classical Sanskrit.
https://archive.org/details/Bhagavata_Purana_A_Linguistic_Study_Ashutosh_Sharma_Biswas_1968
http://vedicilluminations.com/downloads/Academic%20General/Bryant%20Edwin%20F/Bryant%20Edwin%20F.%20-%20The%20date%20and%20provenance%20of%20the%20Bhagavata%20Purana%20and%20the%20Vaikuntha%20Perumal%20temple.pdf