| Pol. | siewka et var. | Golden Plover, 161 |
| Russian | sivka | Golden Plover, 161 |
| Ukr. | civkun et var. | Golden Plover, 161 |
| Sbc. | civikati, cvijukati, cijukati | to sing (birds) |
| Ukr. | Sevrica | Skylark, 297 |
| Bielor. | siewka, sjejka | (Pol. id.) sandpipers, 171; Curlew, 167 |
| Bielor. | sjavec | Grey Plover, 162 |
| Pol. | siewnica | Grey Plover, 162 |
| Bielor. | siûka | Golden Plover, 161 |
| Czech | sejka | Woodlark, 298 |
| Lith. | sejkas, sejejas | Golden Plover, 161. These species have no relation to the time of sowing (sejas) |
| Lettish | sèjas | Nightingale, 337 |
| Lettish | sejas putns | Curlew, 167 |
| Lith. | sejelis | (e with ~) Wryneck, 279 (see remarque above, sub sejkas) |
| Sbc. | sejac, sijac | Skylark, 297 |
| Sbc. | sijena | Great Tit, 390 |
| Sbc. | sijeci gunj | song of the Great Tit, 390 |