| Oceanology | the study of oceans |
| Odonatology | the study of dragonflies |
| Odontology | the study of the structure,development and abnormalities of the teeth |
| Oenology | the study of wine |
| Omnology | the study of everything |
| Oncology | the study of cancer |
| Oneirology | the study of dreams |
| Onomatology | the study of proper names |
| Ontology | the study of existence |
Oology |
is a study about bird's eggs,nests and breeding behavior |
| Ophthalmology | the study of the eyes |
| Organology | the study of musical instruments and anatomical organs |
| Ornithology | the study of birds |
| Orology | the study of mountains and their mapping |
| Orthopterology | the study of grasshoppers and crickets |
| Osteology | the study of bones |
| Otolaryngology | the study of the ear and throat; a branch of medicine |
| Otology | the study of the structure,function and pathology of the ear |
| Otorhinolaryngology | the same as otolaryngology |
Explore Ology Words and their Field of Study
What is Ology?
Ology is a suffix referring to the "study of" something. Ology is a science,a discipline, a field of study,a subject of study, a branch of knowledge.This blog provides list of A - Z English words ending with the suffix -ology and their field of study.