19. R
| radar | radar |
| radiación | radrasyon |
| radiactivo | radyoaktif |
| radiador | radyatör |
| radical | radikal |
| radio | radyo |
| radiografía | radyografi |
| rabadán | ramazan |
| rampa | rampa |
| raqueta | raket |
| raquítico | raşitik |
| reacción | reaksiyon |
| reactor | reaktör |
| realista | realist |
| recepción | resepsiyon |
| receta | reçete |
| recital | resital |
| record | rekor |
| rector | rektör |
| redacción | redaksiyon |
| refinería | rafineri |
| reforma | reform |
| regulador | regülatör |
| rehabilitación | rehabilitasyon |
| rehén | rehin |
| renta | rant |
| repertorio | repertuar |
| replica | replik |
| reportaje | röportaj |
| reproducción | reprodüksiyon |
| restauración | restorasyon |
| restaurante | restoran |
| retina | retina |
| reumatismo | romatizma |
| revancha | rövanş |
| revisión | revizyon |
| riesgo | risk |
| rítmico | ritmik |
| ritmo | ritm |
| robot | robot |
| romántico | romantik |
| ron | rom |
| rotación | rotasyon |
| rotativo | rotatif |
| ruleta | rulet |
| ruta | rota |
| rutina | rutin |