| acceptabel | adäquat |
| acceptabel risknivå | zulässiges Risikoniveau |
| acceptabelt dagligt intag | ADI-Wert |
| acceptabilitet | Akzeptabilität |
| acceptans | Akzeptanz |
| acceptant | Akzeptant |
| acceptera | abnehmen |
| accepterande | Zustimmung |
| accepterar ni kreditkort_ | akzeptieren Sie Kreditkarten_ |
| accepteras | durchsetzen |
| accession | Neuerwerbung |
| accessoar | Zubehör |
| accidens | Akzidens |
| accis | Akzise |
| accistjänsteman | Zollbeamte |
| Acclaim | Acclaim |
| Accra | Accra |
| Accrington FC | FC Accrington |
| Accrington Stanley FC | Accrington Stanley |
| Accumbenskärnan | Nucleus accumbens |
| Accumulator | Akkumulator |
| Accuracy International Arctic Warfare | Arctic Warfare |
| Ace of Base | Ace of Base |
| Ace the Bat-Hound | Ass |
| acefalisk | azephal |
| Aceh | Aceh |
| acentrisk | azentrisch |
| Acer | Acer |
| Acesulfamkalium | Acesulfam |
| acetal | Acetal |
| Acetaldehyd | Acetaldehyd |
| acetamid | Acetamid |
| acetat | Acetat |
| aceton | Azeton |
| Acetonitril | Acetonitril |
| Acetonperoxid | Acetonperoxid |
| Acetyl-CoA | Acetyl-CoA |
| Acetylcystein | Acetylcystein |
| acetylen | Azetylen |
| Acetylkolin | Acetylcholin |
| acetylkolinesteras | Acetylcholinesterase |
| acetylsalicylsyra | Acetylsalicylsäure |
| ACF Fiorentina | AC Florenz |
| Achaea | Achaea |
| Achaia | Achaia |
| Achaimenes | Achaimenes |
| Achaios | Achaios |
| Achaiska förbundet | Achaiischer Bund |
| Achal | Ahal welaýaty |
| Achalkalaki | Achalkalaki |
| Achaltekeer | Achal Tekkiner |
| Acheiropoieton | Acheiropoieton |
| Achel | Achel |
| Acheloos | Acheloos |
| Achelous | Acheloos |
| Achern | Achern |
| Acheron | Acheron |
| Acheuléenkulturen | Acheuléen |
| Achill | Achill Island |
| Achilles | Achilleus |
| Achillobator giganticus | Achillobator |
| Achim von Arnim | Achim von Arnim |
| Achird | Achird |
| Achmat Kadyrov | Achmat Abdulchamidowitsch Kadyrow |
| Acholi | Acholi |
| Achères | Achères |
| acid | Lysergsäure-diethylamid |
| Acid folk | Psychedelic Folk |
| Acid house | Acid House |
| Acid jazz | Acid Jazz |
| aciditet | Acidität |
| acidos | Azidose |
| Aciklovir | Aciclovir |
| ack | ach |
| Ackas | Akaa |
| acklamation | Akklamation |
| acklimatisera | akklimatisieren |
| acklimatisera sig | akklimatisieren |
| acklimatisering | Akklimatisation |
