Capstan and Gudgeon

Capstan noun - A windlass rotated in a horizontal plane around a vertical axis; used on ships for weighing anchor or raising heavy sails.

Gudgeon and capstan are semantically related. In some cases you can use "Gudgeon" instead a noun "Capstan".

Gudgeon noun - Small spiny-finned fish of coastal or brackish waters having a large head and elongated tapering body having the ventral fins modified as a sucker.

Capstan and gudgeon are semantically related. Sometimes you can use "Capstan" instead a noun "Gudgeon".