| Basque | aida | a word uttered in order to drive cattle |
| Basque | aidatu | to snore |
| Basque | adia | moaning |
| Basque | adiakari | Tawny Owl, 239 |
| Svensk | ådfågel, ejder | Eider, 58 |
| Germ. | ädarvogel | Eider, 58 |
| Anc.Greek | audè | noise, rumour, voice |
| Ital. | audire, udire | to hear: perceive a sound |
| Franç. | ouïr | to hear |
| Anc.Greek | odè | song, > French ode |
| Anc.Greek | aeído, ado | to sing |
| Anc.Greek | aèdon | Nightingale, 337 |
| Anc.Greek | aio | to hear: perceive a sound; Lat. aio say, affirm |
| Cymric | iaith | language |
| Germ.reg. | ad et var. | Magpie, 288 |
| Germ. (Tiersage) | adelheit | goose, 27 |
| Sbc. | jaduj | Nightingale, 337 |
| Sbc. | jaditi | to sing (Nightingale, 337) |
| Sbc. | jadati | to lament |
| Sbc. | jad | sorrow |
| Breton | yudal | to howl |
| Germ.reg. | jaderen | leeres Gerede führen |
| Germ.reg. | jud, jadecker | House Sparrow, 410 |
| Germ.reg. | jadekerchen | Whitethroat, 362 |
| Germ. | jodel | yodel |
| Engl. | yodel | a kind of singing |
| Engl. | yowl | to howl, wail |
| Germ.reg. | bushjodler | Whitethroat, 362 |
| Cat. | udolar, adular | to call loud |
| Anc.Greek | audáo, audázo | to say, speak etc.. |
| Lat. | adagium | proverb |
| Alb. | avdos | Chaffinch, 432 |
| Russian | avdotka et var. | Stone Curlew, 154; Ringed Plover, 163; Black-tailed Godwit, 169 (prob. coll. for all sandpipers) |
| Skr. | vádani | to cry |
| Slavic (a.litt.) | vaditi | to accuse |
| Lith. | vadínti | to call |