Erstwhile and Supra

Erstwhile adjective - Having been such at some previous time.

Supra and erstwhile are semantically related In some cases you can use "Supra" instead an adjective "Erstwhile".

Supra adverb - At an earlier place.

Erstwhile and supra are semantically related in earlier topic. Sometimes you can use "Erstwhile" instead an adjective "Supra".