gudgeon

As nouns the difference between gudgeon and dudgeon

is that gudgeon is a small freshwater fish, Gobio gobio, that is native to Eurasia while dudgeon is a kind of wood used especially in the handles of knives; the root of the box tree.

As a verb gudgeon

is to deprive fraudulently; to cheat; to dupe.

As nouns the difference between gudgeon and wapper

is that gudgeon is a small freshwater fish, Gobio gobio, that is native to Eurasia while wapper is a gudgeon.

As verbs the difference between gudgeon and wapper

is that gudgeon is to deprive fraudulently; to cheat; to dupe while wapper is to cause to shake; to move tremulously, as from weakness; to totter.