Esperanto |
English |
Latin |
| Oficejo de Alta Komisiono | High Commission | |
| oficinala melaleŭka oleo | tea-tree oil | |
| okcidenta rozelo | western rosella | Platycercus icterotis |
| Okcident-Aŭstralio | Western Australia | |
| Okcident-Papuo | West New Guinea | |
| okulnaĝila gobiuso | mudskipper | Signigobius biocellatus |
| okulringa pteropo | spectacled flying fox | Pteropus conspicillatus |
| oliva galinolo | bush hen | Gallinula olivacea |
| onduma lado | corrugated iron | |
| onidiro | furphy | |
| onklinjo | auntie | |
| Onklinjo | Auntie | |
| operacio | op | |
| opuntio | prickly pear | Opuntia stricta |
| ora akacio | golden wattle | Acacia pycnantha |
| Ora Marbordo | Gold Coast | |
| oranĝa brugiero | orange mangrove | Bruguiera gymnorrhiza |
| oranĝa eftianuro | orange chat | Ephthianura aurifrons |
| ora orizopo | golden tussock | Oryzopsis lessoniana |
| ora pagro | snapper; schnapper | Pagrus auratus |
| ordigu | get your A into G! | |
| oreletikedo | eartag | |
| orfosisto | gold digger | |
| orienta rozelo | eastern rosella | Playcercus eximius |
| Orient-Papuo | New Guinea | |
| orminejo | goldfields | |
| ornitorinko | platypus | Ornithorhyncus anatinus |
| oro | gold | |
| orserĉa furoro | goldrush | |
| osto | bone | |
| otario | seal | |
| ovalo | oval | |
| ovo | goog |