| Gael.I. | corr | Gannet, 108; Heron, 118 |
| Gael.S. | corr, corra | Heron, 118 |
| Cymric | corwalch | Buzzard, 211 |
| Germ.reg. | korhänlein | Great Crested Grebe, 66 |
| Sbc. | kvor | (parasitic /v/) roding of the Woodcock, 193 |
| Roman. | coroi | Turkey, 5 |
| Roman. | corâi, chiorâi, cherâi | to gurgle; gobbling (turkey, 5) |
| Roman. | curâii | to whistle (Merle) |
| Roman. | corra, coroiu, cîrîi, goroi | Hooded Crow, 281 |
| Franç.: Tarn, Lot | cor, gor | Carrion Crow, 280 |
| Franç. | cor | musical instruments |
| Ital.reg. | cor marin | Curlew, 167 |
| Franç. | cormoran | Engl. cormorant, 105 |
| Franç.: Gasc. | coron | Herring Gull, 81 |
| Anc.Greek | chorós | choir |
| Alb. | kërilë, gërilë, krilla | Crane, 133 |
| Anc.Greek | korýla | (< Illyr.) Crane, 133 |
| Basque | kurrulo et var. | Crane, 133 |
| Basque | kurruila | to snore |
| Basque | kurriska | neighing |
| Basque | kurrin | rabbit (squeals when caught) |
| Basque | kurrinka | door squeaking |
| Germ.reg. | kurrelen, korlen | to gobble (Turkey, 5) |
| Franç.: VD | ècoralyî (s') | s'égosiller |
| Franç.rég. | corailler, croailler | to crow (Carrion Crow, 280) |
| Franç. | corroyer | to curry (leather), French raboter ð5.2.24.; apprêter le cuir; forger (opérations bruyantes) |
| Franç.: Annecy | corlanthë | Green Woodpecker, 270 |
| Roman. | corobcár | Great Crested Grebe, 66 |
| Roman. | corma | to tear, shatter |
| Franç.: Mée | cormalonner | grumble, FEW 22: 79 |
| Roman. | coríu, coruméu et var. | Oriole, 296 |
| Esp.reg. | coruja et var. | Barn Owl, 238 |
| Mod.Greek | chorizo | to cry, boo |
| Mod.Greek | korakiázo | to crow |
| Mod.Greek | korákas et var. | Hooded Crow, 281 |
| Anc.Greek | korax | Hooded Crow, 281; Cormorant 105 |
| Mod.Greek | nyktokorákas | Nightjar, 251 |
| Mod.Greek | korakistiká | slang |
| Arabic: Sah.maghr. | korrecet | Stone Curlew, 154 |
| Cat. | alcorroch | Stone Curlew, 154 |
| Gael.I. | corróg | Hooded Crow, 281 |
| Roman. | corroga | Hooded Crow, 281 |
| Ital.: Sard. | carroga | Hooded Crow, 281 |
| Ital.: Log. (Sard.) | corrighinara | to blare out |
| Gallego | currichouso | Common Tern, 97 |
| Gallego | curricacho, curuxo | Manx Shearwater, 111 |
| Franç.: Rouergue | curro | goose, 27 |
| Gallego | curro | Great Crested Grebe, 66 |
| Esp. | curro et var. | domestic duck, 40 |
| Ital. | cûrro | cart, wheelbarrow |
| Ital.: Cal. | currialuzzu | Great Tit, 390 |
| Engl. | cur, cur dog | a worthless dog, French roquetð5.2.45. |
| Basque | kurruku | rattle |
| Basque | kurruka, kurrunka | cooing |
| Germ. reg. | kurrduwe | Turtle Dove, 257 |
| Basque | kurrok et var. | Carrion Crow, 280 |
| Esp. | curraco | Carrion Crow, 280 |
| Ital.: Sard. | currachia | Hooded Crow, 281 |
| Aroman. | curác | Hooded Crow, 281 |
| R.Rom. | curác | Carrion Crow, 280 |
| Cat. | corre, curróc | Gull-billed Tern, 94 |
| Franç.: Ardennes | corouoc | Carrion Crow, 280 |
| Franç.: Gasc. | cuère | Buzzard, 211 |
| Franç.: Manche | coiraquet | sandpipers, 180 |