| acetone | aceton |
| Acetone peroxide | Acetonperoxide |
| acetonuria | acetonurie |
| Acetyl-CoA | Acetyl-CoA |
| acetylcholine | acetylcholine |
| acetylene | acetyleen |
| acetylsalicylic acid | acetylsalicylzuur |
| ACF Fiorentina | AC Fiorentina |
| Acfred of Aquitaine | Alfred van Aquitanië |
| Achab | Achab |
| Achaea | Achaea |
| Achaea Prefecture | Etolia-Akarnania |
| Achaean League | Achaeïsche Bond |
| Achaeans | Achaeërs |
| Achaemenes | Achaemenes |
| Achaemenid dynasty | Achaemeniden |
| Achaemenid Empire | Achaemeniden |
| Achaemenides | Achaemenides |
| Achaeus | Achaeus |
| Achaguas | Achaguas |
| Acharnae | Acharnai |
| Acharnes | Acharnai |
| Achates | Achates |
| Achau | Achau |
| Achberg | Achberg |
| ache | pijn |
| ache for | verlangen |
| Acheiropoieta | Kleed van Edessa |
| Achel Brewery | Achel |
| Acheloos | Achelous |
| Acheloos River | Acheloos |
| Achelous | Achelous |
| Achen Pass | Achenpas |
| achene | dopvrucht |
| Achenheim | Achenheim |
| Achern | Achern |
| Achernar | Achernar |
| Acheron | Acheron |
| Acherontia atropos | Doodshoofdvlinder |
| Acheulean | Acheuléen |
| Acheulian | Acheuléen |
| Acheville | Acheville |
| Achicourt | Achicourt |
| Achiet-le-Grand | Achiet-le-Grand |
| Achiet-le-Petit | Achiet-le-Petit |
| achievable | uitvoerbaar |
| achieve | bereiken |
| achieved | tot stand gebracht |
| achievement | verrichting |
| Achill Island | Achill |
| Achille Lauro | Achille Lauro |
| Achille Talon | Olivier Blunder |
| Achille Van Acker | Achiel Van Acker |
| Achillea ptarmica | Wilde bertram |
| Achilleion | Achilleion |
| Achilles | Achilles |
| Achilles heel | achilleshiel |
| Achilles Painter | Achilles-schilder |
| Achilles Tatius | Achilles Tatius |
| Achilles tendon | achillespees |
| Achim | Achim |
| Achimenes | Achimenes |
| aching | pijnlijk |
| Achinsk | Atsjinsk |
| Achkhoy-Martanovsky District | District Atsjchoj-Martanovski |
| Achladochori | Kruševo |
| Achmad Yani Airport | Luchthaven Achmad Yani |
| achoo | hatsjie |
| achromatic | achromatisch |
| Achslach | Achslach |
| Achstetten | Achstetten |
| Achtelsbach | Achtelsbach |
| Achterwehr | Achterwehr |
| Achtrup | Achtrup |
| achy | lijdend |
| Achères | Achères |
| Achères-la-Forêt | Achères-la-Forêt |
| Aciclovir | Aciclovir |
| acid | bijtend |
| Acid amide | Amide |
| Acid attack | Aanval met zuur |
| Acid dissociation constant | Zuurconstante |
| Acid Drinkers | Acid Drinkers |
| Acid house | Acid house |
| acid rain | zure regen |
