| Skr. | vak | voice; vakhyami word; vakti to say, speak |
| Skr. | vac | to cry; vácas word, sound |
| Skr. | vaca | "thrush" |
| Tokh. A | wak | voice; Tokh. B wek id. |
| Hitt. | hwek | to swear |
| Kurdish | wàceka | Quail, 23 |
| Kurdish | wacka, baceka, bacila | nestling |
| Ossetic | vàsänga | domestic cock, 2 |
| Parachi | wàSina | domestic cock, 2 |
| Pers. | vaSm | Quail, 23 |
| Lith. | vaStaka | Quail, 23 |
| Lith. | viSta | domestic hen, 2 |
| Lettish | vista | domestic hen, 2 |
| Lettish | vakis | a device subject to squeaking |
| Lettish | vekis | Coot, 138; Quail, 23 |
| Lith. | vaukSnoti | to bark |
| Lettish | vankSèt | id. |
| Bulg. | vajkam | to lament |
| Franç. | vacarme | great noise (certainly not from Dutch wacharme "alas!) |
| Tokh. | wak, wacem | voice |
| Gael.I. | focal | word |
| Ital. | vocare | to call |
| Ital. | voce | voice, sound etc. |
| Engl. | voice | sound, language, speech |
| Germ.reg. | wöcke | Garganey, 43 |
| Engl. | jabberwock | nonsense, gibberish |
| Nederl. | waeke | domestic duck, 40 |
| Nordfries. | wikelsweal | Black Swift, 321 |
| Wfries. | wikel | Kestrel, 234 |
| Nederl. | wykel | id. |
| Germ.reg. | wückle, wiggle etc. | Tawny Owl, 239 |
| Germ.reg. | wäckert | Brambling, 433 |
| Germ. | schwatzen | to chatter |
| Germ. | heckenwchwatzer | Whitethroat, 362 |
| Germ.(OHG) | wahtalla | talkative |
| Lettish | vatalat | to chatter |
| Ital.reg. | zavàtol | Chaffinch, 432 |
| Czech | zvatiati | to chat |
| Lat. | vatis | to announce, warn, ramble, rave, be delirious |
| Gaulois | outeis | fortune teller |
| Germ. | wachtel | Quail, 23 |
| Germ. | schnarrwachtel | rattle; Corn Crake, 146 |
| Germ.reg. | sandwachtel | sandpipers, 180 |
| Germ.reg. | wachtelentchen | Garganey, 43 |
| Nederl. | wachtel | domestic duck, 40 |
| Nederl. | wacher | Gadwall, 45 |
| Germ.reg. | kohlwachtel | Coot, 138 |
| Germ.reg. | goldwachtel | Golden Plover, 161 |
| Germ.reg. | wachtelhabicht | Kestrel, 234 |
| Germ.reg. | wichtel | Little Owl, 242 |
| Germ.: Transylv. | wichtel | Kestrel, 234 |
| Germ. reg. | work | Great Crested Grebe, 66 |
| Mod.Greek | vichro | to cough |
| Mod.Greek | véchro | Garganey, 43 |
| Pers. | vaxtan | to speak, to call |
| Germ. | wort | word; reg.: domestic duck, 40 |
| Engl. | word | unit of language |
| Franç.: Seraing | vèrter | maugréer, FEW 22: 79 |
| Franç.: Manche | vertrin | rattle, FEW 23: 199 |
| Alb. | vertlloj | to chatter |
| Sbc. | prevrtati, prevraçati | to warble |
| Lith. | vardas | name |
| Kurdish | verdak, havèrda | Quail, 23 |
| Skr. | vártika | Quail, 23 |
| Pers.(a.litt.) | vartàg | Quail, 23 |
| Anc.Greek | ortyx | Quail, 23 (Greek forms with loss of initial) |
| Mod.Greek | ortýgi | id. |
| Ital.: Sic. | ortíca | id. |
| Esp. | ortega | id., also Pin-tailed Grouse, 148 |
| Port. | cortiçol | Pin-tailed Grouse, 148 (Greek influx with prosth. /k)/) |