Domaći
| organsko gnojivo | organic fertilizer | |
| organsko opterećenje | organic loadings | |
| organsko zagađenje | organic pollution | |
| Organsko-anorganski hibridi | Organic-Inorganic Hybrids | |
| organsko-biološka proizvodnja | organic-biological production | |
| organsko-biološki preparati | organic-biological preparations | |
| orgazam | orgasm | |
| orgija | orgy | |
| orguljaš | organist | |
| orgulje | organ | |
| orgulje | organs | |
| orguljice | hurdy gurdy | |
| orguljice | hurdy-gurdy | |
| orhideja | orchid | |
| orig. rukopis | autograph |
