| Are | Ar |
| Areal | Powierzchnia |
| Arecales | Arekowce |
| Arecibo | Arecibo |
| Aredhel | Aredhela |
| areia | piasek |
| areias | piasek |
| Areines | Areines |
| arejamento | napowietrzanie |
| arejamento da água | napowietrzanie |
| arejar | napowietrzać |
| Arellano | Arellano |
| Aren | Aren |
| Arena Báltica | Arena Bałtycka |
| Arendal | Arendal |
| Arengosse | Arengosse |
| arenito | piaskowiec |
| Arequipa | Arequipa |
| Ares | Ares |
| Ares I | Ares I |
| Ares V | Ares V |
| Aresing | Aresing |
| Aressy | Aressy |
| aresta | krawędź |
| Aretas IV | Aretas IV |
| Aretha Franklin | Aretha Franklin |
| Arethusa | Aretuza |
| Arette | Arette |
| Aretusa | Aretuza |
| Aretuza | Aretuza |
| Arezzo | Arezzo |
| Arfeuilles | Arfeuilles |
| Argagnon | Argagnon |
| Argali | Argali ałtajski |
| arganaz | popielica |
| Arganchy | Arganchy |
| Argel | Algier |
| argeliano | Algierczyk |
| argelino | Algierczyk |
| Argelos | Argelos |
| Argelouse | Argelouse |
| Argenbühl | Argenbühl |
| Argences | Argences |
| Argent | Srebro |
| Argent-sur-Sauldre | Argent-sur-Sauldre |
| Argentenay | Argentenay |
| Argenteuil-sur-Armançon | Argenteuil-sur-Armançon |
| Argentina | Argentyna |
| Argentine | Argentine |
| argentino | srebrny |
| Argentinossauro | Argentynozaur |
| Argenton | Argenton |
| Argenton-sur-Creuse | Argenton-sur-Creuse |
| Argentré-du-Plessis | Argentré-du-Plessis |
| Argenvilliers | Argenvilliers |
| Argenvières | Argenvières |
| Arget | Arget |
| Argeş | Okręg Ardżesz |
| argila | glina |
| argila de branqueamento | ziemia bieląca |
| Argilly | Argilly |
| Argo | Argo |
| Argo Navis | Argo |
| Argol | Argol |
| Argonath | Argonath |
| Argonautas | Argonauta |
| Argos | Argos |
| Argos Panoptes | Argos |
| Argot | Argot |
| Argouges | Argouges |
| Argueil | Argueil |
| Arguim | Arguin |
| Arguição | Oskarýenie |
| argumentar | rozwinąć |
| Argumento de diagonalização de Cantor | Metoda przekątniowa |
| Argumento ontológico | Dowód ontologiczny |
| Argumento Teleológico | Argument teleologiczny |
| Argumentos pela existência de Deus | Dowody na istnienie Boga |
| Argumentum ad hominem | Argumentum ad hominem |
| Argumentum ad ignorantiam | Argumentum ad ignorantiam |
| Argumentum ad nauseam | Do znudzenia |
| Argumentum ad populum | Argumentum ad populum |
| Argumentum ad Verecundiam | Argumentum ad verecundiam |
| Argus Filch | Argus Filch |
| Argy | Argy |
| Argyrocytisus | Szczodrzeniec |
| Argélia | Algieria |
| argênteo | srebrny |
| Argólida | Argolida |
| argônio | argon |
| Arhansus | Arhansus |
| Ari | Ari |
| Aria | Aria |
| Aria Giovanni | Aria Giovanni |
| Ariadne | Ariadna |
| Ariana dos Países Baixos | Ariane |
| Ariane | Ariane |
| Arianespace | Arianespace |
| Arianismo | Arianizm |
| Ariano Irpino | Ariano Irpino |
| Arica | Arica |
| Ariel | Ariel |
| Ariel Arnaldo Ortega | Ariel Ortega |
| Ariel Sharon | Ariel Szaron |
| Aries | Baran |
| Arietídeas | Arietydy |
| Ariidae | Ariusowate |
| Arila | Grupa arylowa |
| Arilo | Osnówka |
| Arimane | Aryman |
| Arimã | Aryman |
| Arion | Arion |
| Arioso | Arioso |
| Ariosofia | Ariozofia |
| Aristarco de Samos | Arystarch z Samos |
| Aristeu | Aristajos |
| Aristida | Arystydes |
| Aristide Briand | Aristide Briand |
| Aristides de Atenas | Arystydes z Aten |
| Aristides Gomes | Aristides Gomes |
| Aristides Maria Pereira | Aristides Pereira |
| Aristipo de Cirene | Arystyp |
| aristocracia | arystokracja |
| Aristolochiaceae | Kokornakowate |
| Aristófanes | Arystofanes |
| Aristóteles | Arystoteles |
| Aristóteles Onassis | Arystoteles Onassis |
| aritmética | arytmetyka |
| Aritmética modular | Ciało Zp |
| Arizona | Arizona |
| Arizona Cardinals | Arizona Cardinals |
| Arizona Diamondbacks | Arizona Diamondbacks |
| Ariège | Ariège |
| ARJ | ARJ |
| Arjen Lucassen | Arjen Lucassen |
| Arjen Robben | Arjen Robben |
| Arjeplog | Gmina Arjeplog |
| Arjuzanx | Arjuzanx |
| Arkan | Željko Ražnatović |
| Arkansas | Arkansas |
| Arkhangay | Ajmak północnochangajski |
| Arkia | Arkia |
| Arlanc | Arlanc |
| Arlempdes | Arlempdes |
| Arles | Arles |
| Arlet | Arlet |
| Arlette Laguiller | Arlette Laguiller |
| Arleuf | Arleuf |
| Arlington | Arlington |
| Arlon | Arlon |
| ARM | ARM |
| arma | broń |
| Arma anti-carro | Armata przeciwpancerna |
| Arma de arremesso | Broń miotająca |
| arma de destruição em massa | broń masowego rażenia |
| Arma de fogo | Broń palna |
| arma nuclear | broń jądrowa |
| arma química | broń chemiczna |
| Armadeira | Ptasznik brazylijski |
| armadilha | pułapka |
| Armadura | Zbroja |
| Armageddon | Armageddon |
| Armagedom | Armageddon |
| Armagedon | Har-Magedon |
| Armagh | Armagh |
| Armagnac | Armagnac |
| Armagnacs | Armagnac |
| armamento | uzbrojenie |
| Armando Gonçalves Teixeira | Petit |
| Armando Guebuza | Armando Guebuza |
