1. The cithara.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• xithern,
• sithern,
• aithern,
• zuthern,
• zjthern,
• zkthern,
• zothern,
• z9thern,
• z8thern,
• zirhern,
• zifhern,
• zighern,
• ziyhern,
• zithren,
• zitherin,
• zitheron,
• zetherin,
• zeethern,
• zithrin,
• zitheryn

The adjective form of the word "zithern" is "zithern-like".

The plural of the "zithern" can be the "zitherns".

The singular of the "zithern" can be the "zithern".