| English | ZonêMa/Kirmancki |
| oxygen | oksijen (O) [e.] [kimya] [Fr. → Eski Yun.] |
| oxygenated blood | oksijenê goni [tıbbi] |
| ocean | okyanus [Lat. →Eski Yun.] |
| Omar Khayyam (May 18, 1048 - Dec. 04, 1131), Persian mathematician, astronomer, astrologer, calendar reformer, philosopher, and world-famous poet especially thanks to his four-lines (the Rubā'īyāt). | Omer Hayyam (Gıyaseddin Eb'ul Feth Ömer İbni İbrahim el-Hayyam) |
| option | opsiyon [Fr. → Lat.] |
| Organization | organizasyon [e.] [Fr.] |
| organize | organize [Fr.] |
| organizer | organizeker |
| original | original [Fr.] |
| oh | ox |
| overcoat | pardiso [e.] [Fr.] |
| october | payızia wertêne [d.] (kılm: PWer) (1) |
| onion | piyaz [e.] [Far.] [bot.] |
| orange | porteqale [d.] [İt. → Lat.] [bot.] |
| owl | puy (puyo kor) [e.] [zool.] (1) |
| one on top of the other, on top of each other (one another), one above (over) the other | pêser (têser) |
| optative mood (lingusitic) | qalıbê waştene dilege [gram.] |
| open | rakerde (yakerde) |
| of (full legal) age | reşid [sıf.] [Ar.] |
| orange | rengê porteqale (portaqale) [sıf.] |
| once, one time, someday | reyê (reê) |
| Omani Rial | Rialê Umani |
| on Saturday | roca şemiye de (peyê yeniye de) |
| on Sunday | roca bazare de (jûşemiye de) |
| on Monday | roca dışemiye de |
| on Thursday | roca phoncşemiye de |
| on Tuesday | roca sêşemiye (şeşemiye) de |
| on Friday | roca yeniye de |
| on Wednesday | roca çarşemiye de |
| ordinary | rêze ra |
