1. A rounded nodule of stone containing a small cavity, lined usually with crystals.

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

• gooda,
• gerden,
• geoge,
• giude,
• guyde,
• egde,
• glode,
• goodle,
• georfe,
• goodt,
• siode,
• gaide,
• grede,
• goden,
• guede,
• geocide,
• ggod,
• garde,
• geore,
• guote

• good,
• code,
• guide,
• COD,
• geddie,
• c.o.d.,
• get to,
• get,
• god,
• Got,
• decode.

The adjective form of the word "geode" is "geodic".

The plural of the "geode" can be the "geodes".

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