1. A treatise on the eggs of birds.

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

• oogy,
• oolgy,
• ooology,
• ookogy,
• oopogy,
• oooogy,
• ooligy,
• oolkgy,
• oollgy,
• oolpgy,
• ool0gy,
• ool9gy,
• oolofy,
• oolovy,
• ooloby,
• oollogy,
• ooloigy,
• oologyy,
• Owology,
• Oologye

The adjective form of the word "Oology" is "oological".

The plural of the "Oology" can be the "oologies".

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