| Text | Length |
| Reference help | 14 |
| Reference list | 14 |
| Reference mark | 14 |
| Reference marks | 15 |
| Reference material | 18 |
| Reference note | 14 |
| Reference phrase | 16 |
| Reference point | 15 |
| Reference preceder | 18 |
| Reference reference | 19 |
| Reference section | 17 |
| Reference sections | 18 |
| Reference shortcut | 18 |
| Reference symbol | 16 |
| Reference vol. | 14 |
| Reference volume | 16 |
| Reference with maps | 19 |
| Reference word | 14 |
| Reference words | 15 |
| Reference work | 14 |
| Reference works | 15 |
| References, often | 17 |
| Referendum choice | 17 |
| Referendum option | 17 |
| Referendum options | 18 |
| Referential abbr. | 17 |
| Referential words | 17 |
| Referred (to) | 13 |
| Referred indirectly | 19 |
| Referred obliquely | 18 |
| Referring to | 12 |
| Referring to birth | 18 |
| Referring to pitch | 18 |
| Refers casually | 15 |
| Refers indirectly | 17 |
| Refers to in praise | 19 |
| Refi restriction | 16 |
| Refill indicator | 16 |
| Refill to the brim | 18 |
| Refill, as coffee | 17 |
| Refillable candy | 16 |
| Refilled a role | 15 |
| Refinable rock | 14 |
| Refinable rocks | 15 |
| Refinancing option | 18 |
| Refinancing, e.g. | 17 |
| Refine bauxite | 14 |
| Refine flour | 12 |
| Refine further | 14 |
| Refine hematite | 15 |
| Refine leather | 14 |
| Refine metal | 12 |
| Refine minerals | 15 |
| Refine, as a metal | 18 |
| Refine, as flour | 16 |
| Refine, as metal | 16 |
| Refine, as ore | 14 |
| Refine; make gentle | 19 |
| Refined as skills | 18 |
| Refined bloke | 13 |
| Refined chap | 12 |
| Refined coal | 12 |
| Refined crude | 13 |
| Refined diner | 13 |
| Refined emotion | 15 |
| Refined fellow | 14 |
| Refined find | 12 |
| Refined finds | 13 |
| Refined fossil fuel | 19 |
| Refined grace | 13 |
| Refined guys | 12 |
| Refined jujitsu | 15 |
| Refined lady | 12 |
| Refined matters | 15 |
| Refined metal | 13 |
| Refined petroleum | 17 |
| Refined quality | 15 |
| Refined resource | 16 |
| Refined taste | 13 |
| Refined trombones? | 18 |
| Refined waste | 13 |
| Refined, as manners | 19 |
| Refined, as metal | 17 |
| Refined, as ore | 15 |
| Refined, as skills | 18 |
| Refined, in a way | 17 |
| Refinement subject | 18 |
| Refinement targets | 18 |
| Refiner's stuff | 19 |
| Refinery by-product | 19 |
| Refinery deliveries | 19 |
| Refinery dross | 14 |
| Refinery flow | 13 |
| Refinery fodder | 15 |
| Refinery gases | 14 |
| Refinery input | 14 |
| Refinery inputs | 15 |
| Refinery material | 17 |
| Refinery matter | 15 |
| Refinery metal | 14 |
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