| 41. | oorwurð | ['oːɐwʊɐθ] (oorwurðes) (ehrenhaft, ehrenwert, ehrwürdig) honourable, venerable, reverend =OE árwurþ |
| 42. | open | ['oːpən] (offen) open =OE open |
| 43. | openen | ['oːpənən] (openeþ, openede, jeopened) (öffnen) to open =OE openian |
| 44. | openliçh | ['oːpənlɪtʃ] (öffentlich) public, open =OE openlíc |
| 45. | openliçhe | ['oːpənlɪtʃə] (öffentlich) publicly =OE openlíce |
| 46. | Orçhard | ['ɔɐtʃaɐt] (Orçhardes) (Garten, Obstgarten) garden, orchard =OE orceard, ortgeard |
| 47. | Orlei | ['ɔɐleɪ] (Orleies, Orleie) (Krieg) war =OE orlege |
| 48. | ormäät | ['ɔɐmɛːt] (ungeheuer, übermäßig) immense, huge, enormous, excessive; intense =OE ormǽte |
| 49. | Oven | ['oːvən] (Ovnes) (Ofen) oven, furnace =OE ofen |
| 50. | over | ['oːvɐ] (+accuative/dative) (über) over, across, beyond; above =OE ofer |
| 51. | overhäved | [oːvɐ'hɛːvət] (überhaupt) generally, in general, anyway; at all =OE oferhéafod |
| 52. | overswaiðen | [oːvɐ'zwaɪðən] (overswaiþ, overswaiðest, overswaiðde, overswaiðed) (überwältigen, bezwingen, widerstehen) to overcome, overpower, conquer, vanquish, surpass =OE oferswíþan |
| 53. | Ovest | ['oːvəst] (Ofste) (Geschwindigkeit, Schnelligkeit) speed, haste =OE ofost |
| 54. | Ovet | ['oːvət] (Ovetes) (Obst) fruit =OE ofet |
| 55. | oyçhen | ['ɔʏtʃən] (oykþ, oychte, jeoyçhed) (hinzufügen, vergrößern) to add (to), increase, enlarge, augment =OE ýcan |
| 56. | Oyð | ['ɔʏθ] (Oyðe) (Welle) wave; wavelength; craze =OE ýþ |
| 57. | Oyðodel | ['ɔʏθoːdəl] (Oyðodle) (Aids) acquired immune deficiency syndrome, AIDS =oyðen + Odel, calque IS eyðni |
| 58. | oþ | [ɔθ] (+accusative) (bis) until, till, up to, as far as =OE oþ |
| 59. | oþðat | ['ɔθðat] (subor.) (bis) until, till =OE oþþæt |
| 60. | oþþe | ['ɔθə] (coord.) (oder) or =OE oþþe |
