Cassock and Tabard

Cassock noun - A black garment reaching down to the ankles; worn by priests or choristers.

Tabard and cassock are semantically related. In some cases you can use "Tabard" instead a noun "Cassock".

Tabard noun - A short sleeveless outer tunic emblazoned with a coat of arms; worn by a knight over his armor or by a herald.

Cassock and tabard are semantically related. Sometimes you can use "Cassock" instead a noun "Tabard".