| Lith. | kaukiuti, kiauksiu | howl |
| Lith. | Siaukiu | shout |
| Lith. | kauklys | siren, hooter |
| Lettish | kaukt, saukt, caukstu | howl |
| Anc.Greek | kokýo | to lament |
| Mod.Greek | kokarízo | to cackle |
| Ukr. | kokoS, kokot | domestic hen, 2 |
| Roman. | cocostîrc | White Stork, 127 (cocor "grue" = prob. Stork) |
| Roman. | cocoar de rate | quacking of ducks, 40 |
| Franç.centre | caucrouner | to growl, FEW 22 : 79 |
| Franç.: Balme-de-S. | écôcâ | taquiner, FEW 22 : 71 |
| Franç.rég. | cocolá | bégayer; to cackle (hen) |
| Ital. | chioccare | to cackle (domestic hen, 2) |
| Gael.S. | ciùcharan | plaint |
| ON | kjökra | moaning |
| Alb. | skuhrani | plaintive cry |
| Alb. | kocem | I call |
| Skr. | kocàmi | (he) cries |
| Arm. | kawSem | id. |
| Czech | skuceni | roar |
| Lettish | kukot | to call |
| Alb. | kukas | I call |
| Skr. | kókaH | wolf |
| Mod.Greek | skoûximon | shriek |
| Nederl. | kuchen | to cough |
| Germ. | keuchen | to pant, cough |
| Franç.(a.litt.) | kauclier (= kôhlié) | noise, tumult, FEW 23: 204 |
| Lettish | kikuti | to bleat |
| Lith. | kikuoti | id. |
| Lettish | kikuts | Snipe, 194 |
| Lith. | kikûtis | Snipe, 194 |
| Lith. | kikenti | to cackle, snigger |
| Lith. | kekSti | to wep |
| Lith. | kekStis | Wryneck, 279 (plaintive voice) |
| Lith. | kékStas | Jay, 290 |
| Czech | kýchati | to sneeze |
| Czech | kýhati | to cackle (goose) |
| Czech | Stêketi | to bark |
| Pol. | szczek | barking |
| Bielor. | ciekun | chevalier, 173 |
| Sbc. | çukati | to sing (Capercaillie, 7) |
| Sbc. | kekavac | Kestrel, 234 |
| Sbc. | kekati, cicati | to call (falcon, 227) |
| Skr. | keka | cry of the peafowl |
| Skr. | kakati | to laugh |
| Anc.Greek | kakophonía | discordant sound |