A
- abaca
- via Spanish abacá from Tagalog abaká
- abalone
- from Spanish abulón, from Ohlone aluan or Rumsen awlun.
- adios
- from Spanish 'adiós' meaning "goodbye"
- adobe
- From Egyptian via Arabic "Al-tub"
- aficionado
- from French 'amateur' "unprofessional person" or "affection" too.
- albatross
- from alcatraz, see below.
- Alcatraz
- (meaning "gannet") from Arabic غطاس al-ġaţţās ("the diver")
- alidade
- via French, Spanish alidada and Medieval Latin alhidade from Arabic العهدة al-idada, "the revolving radius"
- alligator
- from el lagarto, "the lizard"
- alpaca
- from Spanish, from Aymara allpaka/allpaqa
- aludel
- from Old French alutel, via Spanish and Medieval Latin from Arabic الأثال al-ʾuṯāl, "the sublimation vessel"
- amigo
- from Spanish and/or Portuguese amigo, "friend"; from Latin amicus meaning "friend," derived from amare (to love).
- amole
- Mexican Spanish from Nahautl amolli meaning "soap root."
- amontillado
- from the village of Montilla, Province of Córdoba, Spain
- ancho
- from Mexican Spanish (chile) ancho, "wide (chili)"
- anchovy
- from Spanish anchoa or more probably Portuguese anchova meaning "bluefish"; from Genoese or Corsican dialect; ultimately from Latin apua meaning "small fish" and Greek Αφυε aphye meaning "small fry" or from Basque anchuva meaning "dry"
- Angeleno
- from American Spanish
- Apache
- from Mexican Spanish from Yavapai ´epache meaning "people" or from Zuni apachu" meaning "enemy"
- armada
- "armed " from the Spanish navy, La armada española
- armadillo
- from armadillo, "little armored one"
- arroyo
- from arroyo, "stream"
- avocado
- alteration of Spanish aguacate, from Nahuatl ahuacatl which also means "testicle" in that language.
- ayahuasca
- via Spanish from Quechua ayawaska meaning "soul vine."
Read more about this topic: List Of English Words Of Spanish Origin