| Engl. | jack | a long stick; a lifting device |
| Engl. | jack-rabbit | a long-eared animal |
| Engl. | jackass | donkey (literally "stick ear") |
| Engl.reg. | whipjack | Wagtail, 313 (long tail) |
| Engl.reg. | jack-runner | Water Rail, 142 (long bill) |
| Engl.reg. | jack-plover | sandpipers, 181 (long bill) |
| Engl.reg. | jack-curlew | Curlew, 167, 168 (long bill) |
| Engl.reg. | jack-hern | Grey Heron, 118 (long legs) |
| Engl.reg. | jackie-foster | Long-tailed Duck, 55 |
| Engl.reg. | jack-in-a-bottle | Long-tailed Tit, 398 |
| Engl.reg. | jacksaw | straight one-hand saw; Goosander |
| Engl.reg. | jack-cock | Woodcock, 193 |
| Engl. | jack-snipe | Snipe, 194 (long bill) |
| Kurdish | saq | leg |
| Basque | bernazaki | tibia |
| Basque | sakhil | bat, stick |
| Basque | zakillo | Grey Heron, 118 |
| Basque | zanko-luze | Grey Heron, 118 |
| Span. | zanca | long leg, long leg of birds |
| Franç.: Gasc. | yanques | long legs |