dicast, diecast

Dicast or dicast means a juryman of ancient Athens, called on to hear and decide law cases--
In Ancient Greece, a citizen might be called upon to serve as a dicast.
He was the only dicast to turn down his thumb.

Diecast or diecast ( sometimes spelled die-cast, rhymes with dicast ) means to make a metal object by pouring molten metal into a mold--
We want to  hire someone to diecast an historically accurate replica.
He is learning to diecast precision parts.

Diecast may also describe a metal object made by pouring molten metal into a mold--
He has a collection of diecast model cars.
This is an old diecast metal toy; it may be valuable.

Now that you know that, you can say--
"Here is a set of mid-century diecast chessmen; the rook may be a dicast from Ancient Greece, the pawn a soldier."