ACE and DACE and TACE

Everyone knows what an ACE is - a pitching ACE, a low card in a card game (or a high card, depending on the game) and so on.

So what the heck is DACE and TACE?

A DACE, pluralized DACES, is a freshwater fish of the carp family.

A TACE, pluralized TACES, is a TASSE.

What is a TASSE, you ask?

A TASSE, pluralized TASSES, is a TASSET.

So what is a TASSET, you ask?

A TASSET, pluralized TASSETS, is a piece of plate armor for the upper thigh!