| acacia | acacia |
| Acacia aneura | Acacia aneura |
| Acacia angustissima | Acacia angustissima |
| Acacia baileyana | Acacia baileyana |
| Acacia dealbata | Acacia dealbata |
| Acacia farnesiana | Acacia farnesiana |
| Acacia paradoxa | Acacia armata |
| Acacia Sénégal | Acacia senegal |
| Acacius | Patriarch Acacius of Constantinople |
| Acacos | Acacus |
| Academia Europaea | Academia Europæa |
| Academic Free License | Artistic License |
| Academic Sofia | PBC Lukoil Academic |
| Academie | Academy |
| Academy of Motion Picture Arts and Sciences | Academy of Motion Picture Arts and Sciences |
| Academy of Natural Sciences of Philadelphia | Academy of Natural Sciences |
| Acadiane | Acadiana |
| Acadie | New Brunswick |
| Acadien | Acadian |
| académicien | academician |
| académicienne | academician |
| Académico do Sal | Académico Sal Rei |
| académie | academy |
| Académie brésilienne des lettres | Academia Brasileira de Letras |
| Académie Carrara | Accademia Carrara |
| Académie chinoise des sciences | Chinese Academy of Sciences |
| Académie Colarossi | Académie Colarossi |
| Académie de Berlin | Prussian Academy of Sciences |
| Académie de France à Rome | Villa Medici |
| Académie de Gundishapur | Academy of Gundishapur |
| Académie de Huangpu | Whampoa Military Academy |
| Académie de la langue asturienne | Academy of the Asturian Language |
| Académie de la langue basque | Euskaltzaindia |
| Académie de la langue hébraïque | Academy of the Hebrew Language |
| académie de musique | conservatoire |
| Académie de musique Franz-Liszt | Franz Liszt Academy of Music |
| Académie de Platon | Platonic Academy |
| Académie des beaux-arts de Brera | Brera Academy |
| Académie des Beaux-Arts de Düsseldorf | Kunstakademie Düsseldorf |
| Académie des Beaux-Arts de Vienne | Academy of Fine Arts Vienna |
| Académie des inscriptions et belles-lettres | Académie des Inscriptions et Belles-Lettres |
| Académie des Lynx | Accademia dei Lincei |
| Académie des sciences | French Academy of Sciences |
| Académie des sciences de Bulgarie | Bulgarian Academy of Sciences |
| Académie des sciences de Russie | Russian Academy of Sciences |
| Académie du dessin de Florence | Accademia di Belle Arti Firenze |
| Académie française | Académie française |
| Académie Goncourt | Académie Goncourt |
| Académie Hanlin | Hanlin Academy |
| Académie impériale des beaux-arts | Imperial Academy of Arts |
| Académie ionienne | Ionian Academy |
| Académie Jedi | Jedi Academy |
| Académie Jixia | Academy of the Gate of Chi |
| Académie Julian | Académie Julian |
| Académie Mexicaine des Arts et des Sciences Cinématographiques | Academia Mexicana de Artes y Ciencias Cinematográficas |
| Académie militaire de West Point | United States Military Academy |
| Académie musicale Chigiana de Sienne | Accademia Musicale Chigiana |
| Académie pontificale des sciences | Pontifical Academy of Sciences |
| Académie pontificale des sciences sociales | Pontifical Academy of Social Sciences |
| Académie pontificale ecclésiastique | Pontifical Ecclesiastical Academy |
| Académie roumaine | Romanian Academy |
| Académie royale de musique de Suède | Royal Swedish Academy of Music |
| Académie royale de peinture et de sculpture | Académie de peinture et de sculpture |
| Académie royale des arts de Suède | Royal Swedish Academy of Arts |
| Académie royale des arts et des sciences néerlandaise | Royal Netherlands Academy of Arts and Sciences |
| Académie royale des sciences de Suède | Royal Swedish Academy of Sciences |
| Académie royale militaire de Sandhurst | Royal Military Academy Sandhurst |
| Académie russe des arts du théâtre | Russian Academy of Theatre Arts |
| Académie serbe des sciences et des arts | Serbian Academy of Sciences and Arts |
| Académie Sibelius | Sibelius Academy |
| Académie suédoise | Swedish Academy |
| Académie tchèque des arts musicaux | Academy of Performing Arts in Prague |
| Académies royales de Suède | Swedish Royal Academies |
| académique | academic |
| académiquement | academically |
| académisme | academicism |
| Académos | Akademos |
| acajou | mahogany |
| Acajou amer | Cedrela odorata |
| Acajou des Antilles | Swietenia mahagoni |
| Acala | Acala |
| Acamapichtli | Acamapichtli |
| Acamas | Acamas |
| Acanthaceae | Acanthaceae |
| Acanthaster planci | Crown-of-thorns starfish |
| acanthe | acanthus |
| Acanthe à feuilles molles | Acanthus mollis |
| Acanthisittidae | New Zealand wren |
| Acanthize mignon | Brown Thornbill |
| Acanthocephala | Acanthocephala |
| acanthocyte | acanthocyte |
| Acanthodiens | Acanthodii |
| Acanthodii | Acanthodii |
| Acanthopholis | Acanthopholis |
| Acanthopterygii | Acanthopterygii |
| Acanthosaura | Acanthosaura |
| Acanthosis nigricans | Acanthosis nigricans |
| Acanthosoma haemorrhoidale | Hawthorn shield bug |
| Acanthosomatidae | Acanthosomatidae |
| Acanthostega | Acanthostega |
| Acanthostracion quadricornis | Scrawled cowfish |
| Acanthuridae | Acanthuridae |
| Acanthurus | Acanthurus |
| Acanthurus achilles | Acanthurus achilles |
| Acanthurus leucosternon | Acanthurus leucosternon |
| Acanthurus sohal | Sohal surgeonfish |
| Acanthurus triostegus | Acanthurus triostegus |
| Acanthurus xanthopterus | Acanthurus xanthopterus |
| Acapulco | Acapulco |
| Acarapis woodi | Acarapis woodi |
| Acaricide | Miticide |
| Acaridae | Mold mite |
| acarien | mite |
| Acariens | Acaridae |
| acariâtre | astringent |
| Acarnan | Acarnan |
| Acarnanie | Acarnania |
| Acarnanien | Acarnanian |
| Acarnanienne | Acarnanian |
| acarophobie | acarophobia |
| acarpe | acarpous |
| Acaste | Acastus |
| acataphasie | acataphasia |
| Acca Larentia | Acca Larentia |
| accablant | overwhelming |
