Linked from
The 11 pages that link to Jati, each with the reason it gives.
Purusha SuktaCompared with: Jati is distinct from the four-part varna scheme named in the hymn.
KshatriyaCompared with: Jati is distinct from varna, though the terms are often conflated.
ShudraCompared with: Jati is lived social organization, unlike varna’s broad fourfold scheme.
VaishyaCompared with: Jati is distinct from varna and shapes lived social identities more directly.