| Shughni | ruSt | red |
| Baluchi | rojyn | reddish |
| Pers. | rouSan | shining, clear |
| Afgh.: Parachi | ruSan | shining |
| Afgh.: Ormuri | ruSana | id. |
| Tadjik | rowSanak | luminous |
| Skr. | rocana | shining |
| Skr. | raucah | light |
| Skr. | ruc | beauty |
| Skr. | arusá | shining |
| Zend | aurusa | shining |
| Lat. | aereus | bronzed |
| Anc.Greek | rhézo | dye |
| Pers. | razam | dye, tinge |
| Skr. | rájyàmi | get coloured |
| Breton | ruz | red |
| Franç. | rouge | red |
| Ital.: V.Anzasca | ruzala | newt (orange-red underparts) |
| Cymric | rhôz | pink |
| Franç. | rose | pink; rose (subst.) |
| Franç.:Bagnes(VS) | roùza | pink |
| Czech | rùze | rose (subst.) |
| Bulg. | rozovo | pink |
| Russian | rozsadnik | Linnet, 422 |
| Sbc. | ruzovac | Black Grouse @ |
| Anc.Greek | rhouzios | red-brown |
| Ital.: Cal. | rusocèfalu | Woodchat, 327 |
| Lettish | ruozis | Waxwing, 329; Hawfinch, 431 Jay, 290 |
| R.Rom. | rösin | pink |
| Engl. | rosin | reddish substance produced by certain trees |
| Franç. | résine | id. |
| Anc.Greek | erysíbè | rouille du blé |
| Anc.Greek | erýsimon | sorte de plante |
| Anc.Greek | erysípelas | a disease characterized be an inflamation of the skin |
| Ital. | resipol | id. |
| Ital.: Cal. | risipela | id. |
| Ital.:ReggioC. | risocápula | a goat streaked with rufous |
| Ital.: Cal. | risciolo | rufous |
| Ital.: Cal. | risciculu | Redstart, 347, 348 |
| Ital.: Cal. | riscignuolu | Nightingale, 335 |
| Ital.: Cal. | risina | plant rust |
| Lettish | rusa | rust |
| Engl. | rust | rust |
| Mod.Greek | roussa | red-haired woman |
| Roman. | rus | reddish blond |
| Ital.: Vercelli | barùs | reddish |
| Alb. | rus | blond (Bulg., Sbc. id.) |
| Ukr.(o.liter.) | rus' | blond |
| Pol. | rusy | having red hair |
| Ukr. | rusyj | blond (cheveux) |
| Czech | rySavac | a red-haired person |
| Russian | rusyj | blond, roux, châtain clair |
| Russian | Rusyj | Russian |
| Slavic | Rus | the Vaeringi, Vikings who invaded Russia |
| Engl.: Lanc. | russiannett | Wigeon, 46 |
| Franç. | Russie (cuir de) | cuir teint en rouge, FEW 20: 45 ("de Russie" par étym. pop.; il s'agit simplement de cuir roussi) |
| Franç.(a.litt.) | roussé | rayé, FEW 23: 187 |
| Ital. | rosso (d'uovo) | yolk |
| Franç.: oc. | ros, rossenc | fulvous, blond, yellowish |
| Franç. | rossolis | sundew (Drosera), a plant with red leaves |
| Cat. | recelet | Purple Heron, 119 |
| Franç.:Savièse(VS) | rô | roux |
| Franç. | roux | rufous |
| Franç.: Liège | roué | havi, roussi, FEW 23: 176 |
| Port. | rouço, rox | rufous |
| Ital.: Cortina | ros | id. |
| Ital. | rosso | id. |
| Galice | ruzo | "grey" |
| Franç.: Dizon | rozo | spot |
| Ital.reg. | rutsôn, rosàt | redstart, 347, 348 |
| Roman. | ros, roscovan | rufous |
| Roman. | rata roscovanâ | Red-crested Pochard, 52 |
| Alb. | rushkull | Nightingale, 337 |
| Engl.: Ire. | rush | red |
| Engl. | rash | cutaneous eruption, red spots |
| Franç.: St.Pierre | rèuje | spotted de roux, FEW 23: 185 |
| Franç.rég. | russe, reusse | aussi reuche,rouiche,reussète etc. Robin, 335 |
| Galice | reicho | Robin, 335 |
| Basque | erretxinolet | Nightingale, 337 |
| Port. | rouxinho | rufous |
| Port. | rouxinol | Nightingale, 337. Appelé rossignol parce qu'il est roux, explication toute logique déjà donnée par Belon. Le l. luscinia est un emprunt, une forme lambdacisée de Romagne |
| Franç. | roussignol, rossignol etc. | Nightingale, 337 |
| Ital. | russignuolo et var. | Nightingale, 337 |
| Ital.: Romg. | lussignol | Nightingale, 337 |
| R.Rom. | luschagna, luzeina | Nightingale, 337 |
| Lat. | luscinia | (borrowing) Nightingale, 337 |
| Cat. | rossinyol | Nightingale, 377, and certain mushrooms |
| Franç.rég. | rossignol de muraille | Black Redstart, 348 |
| Franç.rég. | rossignol de creux, rossignol baillet | Redstart, 347 |
| Ital. | rusna | rust |
| Ital. | rusnö | Nightingale, 337 |
| Esp. | ruiseñor | Nightingale, 337; Rufous Bush Robin, 355 |
| Galice | ruiseñor | Wren, 406 |