| altercation | Schlägerei |
| Altermondialisme | Andere Globalisierung |
| alternance codique | Code-Switching |
| Alternance consonantique | Stufenwechsel |
| alternance de code | Code-Switching |
| Alternance de code linguistique | Code-Switching |
| Alternance vocalique | Ablaut |
| Alternances | Schwingen |
| alternant | abwechselnd |
| Alternate Mark Inversion | AMI-Code |
| alternateur | Wechselstromgenerator |
| alternatif | Alternativ- |
| alternative | alternativ |
| Alternative bolivarienne pour les Amériques | Bolivarianische Alternative für Amerika |
| Alternative Investment Market | Alternative Investment Market |
| Alternative libérale | Alternative libérale |
| Alternative orange | Orange Alternative |
| Alternative sociale | Alternativa Sociale |
| Alternativité | Alternativkörper |
| alterner | abwechseln |
| alterné | abwechselnd |
| Alterswil | Alterswil FR |
| Altes Museum | Altes Museum |
| Altesse | Hoheit |
| Altesse sérénissime | Durchlaucht |
| Altglienicke | Altglienicke |
| Althaea | Eibisch |
| Altheim | Altheim |
| Althen-des-Paluds | Althen-des-Paluds |
| Althing | Althing |
| Althochdeutsch | Althochdeutsch |
| Althée | Althaia |
| Althütte | Althütte |
| Altiani | Altiani |
| Altichiero da Zevio | Altichiero da Zevio |
| Alticinae | Flohkäfer |
| altier | arrogant |
| Altiero Spinelli | Altiero Spinelli |
| Altikon | Altikon |
| altimètre | Höhenmesser |
| Altingiaceae | Altingiaceae |
| Altiplano | Altiplano |
| Altirhinus | Altirhinus |
| Altishofen | Altishofen |
| Altispinax | Altispinax |
| altitude | Höhe |
| Altitude au-dessus du niveau de la mer | Höhe |
| Altkirch | Altkirch |
| Altleiningen | Altleiningen |
| Altmark | Altmark |
| Altmühl | Altmühl |
| Altmünster | Altmünster |
| Altnau | Altnau |
| Altneuland | Altneuland |
| alto | Alt |
| Alto Gállego | Alto Gállego |
| Alto Malcantone | Alto Malcantone TI |
| Altocumulus | Altocumulus |
| Altocumulus castellanus | Castellanus |
| Altocumulus lenticularis | Lenticularis |
| Altomünster | Altomünster |
| Alton | Alton |
| Altona | Hamburg-Altona |
| Altoona | Altoona |
| Altorf | Altorf |
| Altostratus | Altostratus |
| Altran Technologies | ALTRAN |
| Altria | Altria Group |
| Altrip | Altrip |
| altruisme | Altruismus |
| altruiste | Altruist |
