1. The science which treats of moral phenomena in their unity and diversity.

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

• metholodgy,
• thology,
• metholdogy,
• eccology,
• mthology,
• onthology,
• etomology,
• thelogy,
• methology,
• mithology,
• thoelogy,
• ediology,
• ethiology,
• eitology,
• euology,
• otnology,
• eitiology,
• mathology,
• aetology,
• ethnology

• ethologist,
• etiologic,
• anthology,
• etiology,
• etiologist,
• etiological.

The adjective form of the word "ethology" is "ethological".

The plural of the "ethology" can be the "ethologies".

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