| alkaloid | alkaloid |
| Alkaloidy | Alkaloid |
| alkan | alkane |
| alkany | paraffin |
| Alkazar | Alcázar |
| alken | alkene |
| Alkeny | Alkene |
| Alkestis | Alcestis |
| Alketas Panagoulias | Alketas Panagoulias |
| Alkibiades | Alcibiades |
| Alkiermesowate | Phytolaccaceae |
| alkin | alkyne |
| Alkinoos | Alcinous |
| Alkiny | Alkyne |
| Alkmaar | Alkmaar |
| Alkmena | Alcmene |
| Alkmeonidzi | Alcmaeonidae |
| alkohol | alcohol |
| Alkohol allilowy | Allyl alcohol |
| Alkohol cetylowy | Cetyl alcohol |
| Alkohol cukrowy | Sugar alcohol |
| Alkohol etylowy | Ethanol |
| Alkohol furfurylowy | Furfuryl alcohol |
| Alkohol koniferylowy | Coniferyl alcohol |
| Alkohol metylowy | Methanol |
| Alkohol polihydroksylowy | Sugar alcohol |
| Alkohol propargilowy | Propargyl alcohol |
| Alkohol stearylowy | Stearyl alcohol |
| alkohole | alcohol |
| alkoholiczka | alcoholic |
| alkoholik | alcoholic |
| alkoholizm | alcoholism |
| alkoholowy | alcoholic |
| Alkonost | Alkonost |
| Alkool | Alcohol |
| Alkor | Alcor |
| alkowa | alcove |
| Alkuin | Alcuin |
| Alkyone | Alcyone |
| Alkyoneus | Alcyoneus |
| All Blacks | All Blacks |
| All Boys Buenos Aires | All Boys |
| All England Lawn Tennis and Croquet Club | All England Lawn Tennis and Croquet Club |
| All Eyez On Me | All Eyez on Me |
| All Good Things | All Good Things |
| All India Anna Dravida Munnetra Kazhagam | All India Anna Dravida Munnetra Kazhagam |
| All India Forward Bloc | All India Forward Bloc |
| All Killer No Filler | All Killer No Filler |
| All Music Guide | All Music Guide |
| All My Children | All My Children |
| All Saints | All Saints |
| All the Best Cowboys Have Daddy Issues | All the Best Cowboys Have Daddy Issues |
| All the Lost Souls | All the Lost Souls |
| All the Roadrunning | All the Roadrunning |
| All Wound Up | All Wound Up |
| All-American Rejects | The All-American Rejects |
| Alla | Alla |
| Allach | Allah |
| Allah | Allah |
| Allahabad | Allahabad |
| Allain | Alleins |
| Allaines | Alleins |
| Allaman | Allaman |
| Allan Kardec | Allan Kardec |
| Allan McLeod Cormack | Allan McLeod Cormack |
| Allan McNish | Allan McNish |
| Allan Pinkerton | Allan Pinkerton |
| Allan Quatermain i zaginione miasto złota | Allan Quatermain and the Lost City of Gold |
| Allan Simonsen | Allan Simonsen |
| Allan Wells | Allan Wells |
| Allas-Bocage | Allas-Bocage |
| Allas-Champagne | Allas-Champagne |
| Allas-les-Mines | Allas-les-Mines |
| Allassac | Allassac |
| allativus | allative case |
| Allauch | Allauch |
| Allectus | Allectus |
| Allegheny | Allegheny Mountains |
| allegretto | allegretto |
| Alleins | Alleins |
| allel | allele |
| alleluja | hallelujah |
| Allemagne-en-Provence | Allemagne-en-Provence |
| Allemande | German |
| Allemans | Allemans |
| Allemant | Allemans |
| Allen | Allen |
| Allen Carr | Allen Carr |
| Allen Dulles | Allen Welsh Dulles |
| Allen Ginsberg | Allen Ginsberg |
| Allen Iverson | Allen Iverson |
| Allende | Allende |
| Allensbach | Allensbach |
| Allenwiller | Allenwiller |
| Aller | Go |
| Allerey | Allerey |
| Allersberg | Allersberg |
| Allershausen | Allershausen |
| Alles-sur-Dordogne | Alles-sur-Dordogne |
| Alleshausen | Alleshausen |
| Alleycat | Alleycat races |
| Allgemeiner Deutscher Nachrichtendienst | Allgemeiner Deutscher Nachrichtendienst |
| Allgemeines bürgerliches Gesetzbuch | Allgemeines bürgerliches Gesetzbuch |
| Allgäu | Allgäu |
| Alliance Laurentienne | Alliance laurentienne |
| Allianz | Allianz |
| Allianz Arena | Allianz Arena |
| Allianz Suisse Open Gstaad | Allianz Suisse Open Gstaad |
| Alliat | Ali |
| allicyna | allicin |
| Allier | Allier |
| Alling | Alling |
| Allister Carter | Allister Carter |
| Allmannshofen | Allmannshofen |
| Allmannsweiler | Allmannsweiler |
| Allmersbach im Tal | Allmersbach |
| Alloa | Alloa |
| Allons | Go |
| Allonzier-la-Caille | Allonzier-la-Caille |
| allopurinol | allopurinol |
| Allosteria | Allosteric regulation |
| Allotransplantacja | Allotransplantation |
| Allouagne | Allouagne |
| Allouis | Allouis |
| Allozaur | Allosaurus |
| Allozauroidy | Allosauroidea |
| Allozaury | Allosaurid |
| Allstedt | Allstedt |
| Allsvenskan w hokeju na lodzie | Allsvenskan |
| AlltheWeb | AlltheWeb |
| Allues | Les Allues |
| Allvar Gullstrand | Allvar Gullstrand |
| Ally | Ali |
| Ally McBeal | Ally McBeal |
| Ally McCoist | Ally McCoist |
| Allègre | Allègre-les-Fumades |
| Alma | Alma River |
| Alma Caribena | Alma Caribeña |
| Almada | Almada |
| Almagro Buenos Aires | Club Almagro |
| almanach | almanac |
| Almanach Gotajski | Almanach de Gotha |
| Almanzor | Almanzor |
| Almaren | Minor places in Middle-earth |
| Almazán | Almazán |
| Almaş | Almaş River |
| Almelo | Almelo |
| Almens | Almens |
| Almere | Almere |
| Almería | Almería |
| Almira Skripczenko | Almira Skripchenko |
| Almirante Brown | Almirante Brown Partido |
| Almirante Brown Buenos Aires | Club Almirante Brown |
| Almohadzi | Almohad dynasty |
| Almon Strowger | Almon Brown Strowger |
| Almorawidzi | Almoravid dynasty |
| Almos | Prince Álmos |
| almukantarat | almucantar |
| Alnair | Alpha Gruis |
| Alnilam | Epsilon Orionis |
| Alnitak | Zeta Orionis |
| aloes | aloe |
| Aloes drzewiasty | Aloe arborescens |
| Aloes zwyczajny | Aloe vera |
| Aloesowate | Asphodelus ramosus |
| Alofi | Alofi |
| alofon | allophone |
| Alois Alzheimer | Alois Alzheimer |
| Alois Hitler | Alois Hitler |
| Alois Kayser | Alois Kayser |
| Alois Löser | Brother Alois |
| Alois Senefelder | Alois Senefelder |
| Aloisius Muench | Aloisius Joseph Muench |
| Alojzije Stepinac | Aloysius Stepinac |
| Alojzy | Aloysius |
| Alojzy Feliński | Alojzy Feliński |
| Alojzy Gonzaga | Aloysius Gonzaga |
| Alojzy Lichtenstein | Prince Aloys of Liechtenstein |
| Alojzy Żółkowski | Fortunat Alojzy Gonzaga Żółkowski |
| alokacja | allocation |
| Alona Bondarenko | Alyona Bondarenko |
| Alone in the Dark | Alone in the Dark |
| Alonso Alvarez de Pineda | Alonso Álvarez de Pineda |
| Alonso Cano | Alonzo Cano |
| Alonso de Hojeda | Alonso de Ojeda |
| Alonzo Church | Alonzo Church |
| Alopen | Olopen |
| Alor | Alor Island |
| Alor Setar | Alor Star |
| Alos-Sibas-Abense | Alos-Sibas-Abense |
| alotrop | allotrope |
| alotropia | allotropy |
| alotropowy | allotropic |
| Aloxe-Corton | Aloxe-Corton |
| Aloys Thomas Raimund von Harrach | Aloys Thomas Raimund Count Harrach |
| Aloysius Matthew Ambrozic | Aloysius Ambrozic |
| aloza | allis shad |
| Aloísio Lorscheider | Aloísio Lorscheider |
| Alp Arslan bin Chaghri | Alp Arslan |
| Alpaida | Alpaida |
| alpaka | alpaca |
| Alpamayo | Alpamayo |
| Alpbach | Alpbach |
| alpejski | Alpine |
| Alpejski gończy krótkonożny | Alpine Dachsbracke |
| Alpes Cottiae | Alpes Cottiae |
| Alpes Maritimae | Alpes Maritimae |
| Alpes-de-Haute-Provence | Alpes-de-Haute-Provence |
| Alpes-Maritimes | Alpes-Maritimes |
| Alpha | Alpha |
| Alpha Blondy | Alpha Blondy |
| Alphard | Alphard |
| Alphaville | Alphaville |
| Alphege | Alphege |
| Alpheratz | Alpha Andromedae |
