| Aca Larentia | Acca Larentia |
| Acab | Ahab |
| acabado | complete |
| acabador | finisher |
| acabamiento | achievement |
| acabar | stop |
| acabar con | deal with |
| acabar el contacto | disengage |
| acabar en | end up in |
| acabarse | run out |
| acabarse el | run short of |
| acabarse el tiempo | run out of time |
| Acacalis | Acacallis |
| acacalote | grebe |
| acachetear | slaps in the face |
| acacia | acacia |
| Acacia aneura | Acacia aneura |
| Acacia angustissima | Acacia angustissima |
| Acacia aphylla | Acacia aphylla |
| Acacia caven | Acacia caven |
| Acacia dealbata | Acacia dealbata |
| Acacia eburnea | Acacia karroo |
| Acacia erioloba | Acacia erioloba |
| Acacia farnesiana | Acacia farnesiana |
| Acacia melanoxylon | Acacia melanoxylon |
| Acacia nilotica | Acacia nilotica |
| Acacia retinodes | Acacia retinodes |
| Acacia saligna | Acacia saligna |
| Acacio de Beroea | Acacius of Beroea |
| Acacio de Cesarea | Acacius of Caesarea |
| Acacius de Melitene | Acathius of Melitene |
| Acaco | Acacus |
| Acad | Akkad |
| academia | academy |
| Academia Americana de las Artes y las Letras | The American Academy of Arts and Letters |
| Academia Brasileña de las Letras | Academia Brasileira de Letras |
| Academia Brasileña de Letras | Academia Brasileira de Letras |
| Academia Británica | British Academy |
| Academia Británica de las Artes Cinematográficas y de la Televisión | British Academy of Film and Television Arts |
| Academia China de las Ciencias | Chinese Academy of Sciences |
| Academia de arquitectura de Berlín | Bauakademie |
| Academia de Atenas | Platonic Academy |
| Academia de Bellas Artes | Académie des Beaux-Arts |
| Academia de Bellas Artes de Brera | Brera Academy |
| Academia de Bellas Artes de Múnich | Academy of Fine Arts Munich |
| Academia de Bellas Artes de Viena | Academy of Fine Arts Vienna |
| Academia de Ciencias de Göttingen | Göttingen Academy of Sciences |
| Academia de Cine de Pekín | Beijing Film Academy |
| Academia de Derecho Internacional de la Haya | Hague Academy of International Law |
| Academia de la Fuerza Aérea de los Estados Unidos | United States Air Force Academy |
| Academia de la Lengua Asturiana | Academy of the Asturian Language |
| Academia de la Lengua Árabe | Academy of the Arabic Language in Cairo |
| Academia de las Artes y las Ciencias Cinematográficas de España | Academia de las Artes y las Ciencias Cinematográficas de España |
| Academia de las Artes y las Ciencias Cinematográficas de Hollywood | Academy of Motion Picture Arts and Sciences |
| Academia de las Ciencias Francesa | French Academy of Sciences |
| Academia de las inscripciones y lenguas antiguas | Académie des Inscriptions et Belles-Lettres |
| Academia de música Franz Liszt | Franz Liszt Academy of Music |
| Academia de titanes | Class of the Titans |
| Academia de Åbo | The Royal Academy of Turku |
| Academia del Idioma Hebreo | Academy of the Hebrew Language |
| Academia Estadounidense de las Artes y las Ciencias | American Academy of Arts and Sciences |
| Academia Filipina de la Lengua Española | Philippine Academy of the Spanish Language |
| Academia francesa | Académie française |
| Academia Fútbol Club | Academia FC |
| Academia Goncourt | Académie Goncourt |
| Academia Imperial de las Artes | Imperial Academy of Arts |
| Academia Jedi | Jedi Academy |
| Academia Jónica | Ionian Academy |
| Academia Mexicana de Artes y Ciencias Cinematográficas | Academia Mexicana de Artes y Ciencias Cinematográficas |
| Academia Mexicana de Ciencias | Mexican Academy of Sciences |
| Academia militar | Cadet school |
| Academia Militar de Filipinas | Philippine Military Academy |
| Academia Militar de los Estados Unidos | United States Military Academy |
| Academia Militar Prusiana | Prussian Military Academy |
| Academia Nacional de Ciencias de Estados Unidos | United States National Academy of Sciences |
| Academia Naval de Estados Unidos | United States Naval Academy |
| Academia Pontificia Eclesiástica | Pontifical Ecclesiastical Academy |
| Academia Rumana | Romanian Academy |
| Academia rusa de las Ciencias | Russian Academy of Sciences |
| Academia Rushmore | Rushmore |
| Academia Sibelius | Sibelius Academy |
| Academia Sueca | Swedish Academy |
| Academia Yuelu | Yuelu Academy |
| Academias Militares Soviéticas | Soviet military academies |
| Academias Pontificias | Pontifical Academy |
| academicismo | academicism |
| academico | scholastic |
| academista | academician |
| Academo | Akademos |
| Academos | Akademos |
| Acadia | New Brunswick |
| Acadiano | Acadian |
| acadio | Akkadian |
| académica | academician |
| académicamente | theoretically |
| académico | academician |
| Académie Colarossi | Académie Colarossi |
| Académie Julian | Académie Julian |
| Académie Julien | Académie Julian |
| acaecer | happen |
| acaecimiento | ongoing |
| Acaena | Acaena |
| Acalenturarse | Have a temperature |
| acalicino | acalycine |
| acalifa | copperleaf |
| acallar | silence |
| acalorado | heated |
| Acamante | Acamas |
| Acamapichtli | Acamapichtli |
| Acamarse | Set |
| acampada | camping |
| acampador | camper |
| acampadora | camper |
| Acampamento | Side |
| Acampamiento | Camp-site |
| acampanado | bell-shaped |
| acampar | camp |
| Acamptopappus | Goldenhead |
| acanalado | fluted |
| Acanalador de fruta | Lemon zester |
| acano | Akan |
| Acanthaceae | Acanthaceae |
| Acanthisittidae | New Zealand wren |
| Acanthocephala | Acanthocephala |
| Acanthocereus | Acanthocereus |
| Acanthodactylus erythrurus | Acanthodactylus erythrurus |
| Acanthodii | Acanthodii |
| Acanthopholis | Acanthopholis |
| Acanthospermum | Acanthospermum |
| Acanthostega | Acanthostega |
| Acanthus mollis | Acanthus mollis |
| acantilado | cliff |
| Acantilados de Bandiagara | Bandiagara Escarpment |
| Acantilados de Moher | Cliffs of Moher |
| Acantilados Llameantes | Flaming Cliffs |
| acanto | acanthus |
| acantocito | acanthocyte |
| acantonamiento | billeting |
| acantonar | accommodate |
| Acantosis nigricans | Acanthosis nigricans |
| acantáceo | acanthaceous |
| Acaobado | Swietenia |
| acaparador | profiteer |
| acaparadora | profiteer |
| acaparamiento | profiteering |
| acaparar | engross |
| Acapulco | Acapulco |
| Acapulco de Juárez | Acapulco |
| acarbosa | acarbose |
| acarciar | chuck |
| acardenalar | bruise |
| acariciador | caresser |
| acariciar | snuggle |
| Acaricida | Miticide |
| Acarigua | Acarigua |
| Acarina | Acarina |
| Acariñar | Stroke |
| Acarnania | Acarnania |
| Acarnas | Acharnes |
| Acarnán | Acarnan |
| acarofobia | acarophobia |
| acarpo | acarpous |
| Acarraladura | Drawing scale |
