1. Divination by water.

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

• gydromancy,
• bydromancy,
• nydromancy,
• jydromancy,
• uydromancy,
• yydromancy,
• htdromancy,
• hgdromancy,
• hhdromancy,
• hudromancy,
• h7dromancy,
• hydomancy,
• hydromacy,
• hydormancy,
• hydromacny,
• hidromancy,
• hydramancy,
• hydrocomancy,
• hydromaccy,
• hydremancy

• hydrant,
• hydremia,
• hydromantes,
• hydrangea,
• hydromyinae,
• hydrometric,
• hydrometer,
• hydrometry,
• hydramnios,
• hydromel,
• hydromys,
• hydromancer.

The adjective form of the word "hydromancy" is "hydromantic".

The plural of the "hydromancy" can be the "hydromancies".

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