| refill | opnieuw vullen |
| refine | bijschaven |
| refined | gecultiveerd |
| refinement | finesse |
| refiner | raffineermachine |
| refinery | raffinaderij |
| reflate | reflatie veroorzaken |
| reflation | reflatie |
| reflect | terugkaatsen |
| reflect credit on | tot eer strekken van |
| reflect discredit on | in diskrediet brengen |
| reflect on | afwegen |
| reflect upon | afwegen |
| reflecting | spiegel- |
| reflection | overwegen |
| Reflection nebula | Reflectienevel |
| Reflection symmetry | Spiegelsymmetrie |
| reflective | reflectief |
| reflector | reflector |
| reflex | reflex |
| Reflex hammer | Reflexhamer |
| reflexive | reflexief |
| reflexive pronoun | wederkerend voornaamwoord |
| reflux | eb |
| reforest | herbebossen |
| reform | hervormen |
| Reform Judaism | Reformjodendom |
| Reform Party of Canada | Hervormingspartij van Canada |
| reform school | verbeteringsgesticht |
| Reform Treaty | Verdrag van Lissabon |
| Reform War | Hervormingsoorlog |
| Reforma | Reforma |
| Reformation | hervorming |
| reformatory | verbeteringsgesticht |
| Reformatory Political Federation | Reformatorische Politieke Federatie |
| Reformed | Hervormd |
| Reformed Church in America | Reformed Church in America |
| Reformed Church in Hungary | Hongaarse Gereformeerde Kerk |
| Reformed churches | Gereformeerd |
| Reformed Churches in the Netherlands | Gereformeerde Kerken vrijgemaakt |
| Reformed Esperanto | Hervormd Esperanto |
| Reformed Political Alliance | Gereformeerd Politiek Verbond |
| Reformed Political Party | Staatkundig Gereformeerde Partij |
| Reformist Movement | Mouvement Réformateur |
| refract | breken |
| refraction | refractie |
| Refractive error | Ametropie |
| Refractive index | Brekingsindex |
| refractory | weerspannig |
| Refractory clay | Chamotte |
| refrain | refrein |
| refrain from | afzien van |
| refresh | opknappen |
| Refreshable Braille display | Brailleleesregel |
| refreshing | verfrissend |
| refreshment | verfrissing |
| refreshment bar | buffet |
| refreshments | drank en hapjes |
| refrigerant | koelmiddel |
| refrigerate | koelen |
| Refrigerated vessel | Koelschip |
| refrigeration | koeling |
| Refrigeration unit | Koelvin |
| refrigerator | koelkast |
| Refrigerator mother | Koelkastmoeder-theorie |
| Refrigerator truck | Geïsoleerde oplegger |
| refuel | bijtanken |
| refueling stop | tankstop |
| refuelling | bijtanken |
| refuelling stop | tankstop |
| refuge | toevluchtsoord |
| Refuge for battered women | Blijf van mijn Lijf |
| refugee | vluchteling |
| refund | vergoeden |
| refunded | vergoed |
| refurbish | opknappen |
| refusal | afwijzing |
| refuse | afslaan |
| refuse to | weigeren te |
| refuse to accept less than | er alles op zetten om te krijgen |
| refuse to let in | wegsturen |
| Refuse-derived fuel | Refuse Derived Fuel |
| refutation | weerlegging |
| refute | weerleggen |
| regain | terugwinnen |
| regain one's breath | bijkomen |
| regain one's strength | op krachten komen |
| regain strength | herstellen |
| regal | koninklijk |
| regale on | vergasten op |
| regale with | vergasten op |
| regalia | regalia |
| Regalianus | Regalianus |
| regard | eerbied |
| regard as | beschouwen als |
| regardful | eerbiedig |
| regarding | betreffende |
