| oea | Tripoli |
|---|
| oecology | Ecology |
|---|
| oeconomics | Economics |
|---|
| oecononomics | Economics |
|---|
| oedema | Edema |
|---|
| œdema | Edema |
|---|
| oedemas | Edema |
|---|
| œdemas | Edema |
|---|
| oedematous | Edema |
|---|
| oef | War in Afghanistan (2001–present) |
|---|
| oehler | Friedrich Nietzsche |
|---|
| oeis | On-Line Encyclopedia of Integer Sequences |
|---|
| oend | Donald Duck |
|---|
| oengus | Óengus I of the Picts |
|---|
| óengus | Óengus I of the Picts |
|---|
| oeno | Pitcairn Islands |
|---|
| oenothera | Oenothera |
|---|
| oer | Faroe Islands |
|---|