- ambush
- ameba
- ameliorate
- amen
- amenable
- amend
- amendment
- amenities
- America
- American
- American football
- American Indian
- Americanism
- americanize
- amethyst
- Amex
- amiable
- amiably
- amicable
- amicably
- amid
- amino acid
- amiss
- Amman
- ammo
- ammonia
- ammunition
- ammunition dump
- amnesia
- amnesty
- Amnesty International
- amniocentesis
- amoeba
- amok
- among
- amoral
- amorous
- amorphous
- amortize
- amount
- amp
- amperage
- ampere
- ampersand
- amphetamine
- amphibian
- amphibious
- amphitheatre
- ample
- amplification
- amplifier
- amplify
- amply
- ampoule
- amputate
- amputation
- Amsterdam
- amt
- Amtrak
- amuck
- amulet
- amuse
- amused
- amusement
- amusement arcade
- amusement park
- amusing
- an
- ANA
- anabolic steroid
- anachronism
- anachronistic
- anaemia
- anaemic
- anaesthesia
- anaesthetic
- anaesthetist
- anaesthetize
- anagram
- anal
- analgesic
- analog
- analogous
- analogue
- analogy
- analyse
- analysis
- analyst
- analytic
- analyze
- anarchic
- anarchist
- anarchy
- anathema
- anatomical
- anatomy
- ANC
- ancestor
- ancestral home
- ancestry
- anchor
- anchorage
- anchorman
- anchorwoman
- anchovy
- ancient
- ancillary
- and
- Andes
- Andorra
- androgynous
- android
- anecdote
- anemia
- anemic
- anemone
- anesthetic etc.
- anew
- angel
- Angeleno
- angelic
- anger
- angina
- angle
- Anglepoise®
- angler
- Anglican
- anglicism
- angling
- Anglo-
- Anglo-Saxon
- Angola
- Angolan
- angora
- angrily
- angry
- angst
- anguish
- anguished
- angular
- animal
- animate
- animated
- animated cartoon
- animation
- animosity
- aniseed
- ankle
- annals
- annex
- annexation
- annexe
- annihilate
- annihilation
- anniversary
- annotate
- announce
- announcement
- announcer
- annoy
- annoyance
- annoyed
- annoying
- annual
- annual general meeting
- annually
- annuity
- annul
- annulment
- annum
- Annunciation
- anode
- anoint
- anomalous
- anomaly
- anon.
- anonymity
- anonymous
- anonymously
- anorak
- anorexia
- anorexic
- another
- ANSI
- answer
- answerable
- answering machine
- ant
- antacid
- antagonism
- antagonist
- antagonistic
- antagonize
- Antarctic
- Antarctic Circle
- Antarctic Ocean
- Antarctica
- ante
- anteater
- antecedent