- Am
- amabilis fir
- amadavat
- Amaethon
- amah
- amain
- amalgam
- amalgamate
- amalgamated
- amalgamation
- amalgamative
- amalgamator
- Aman
- Amandine Aurore Lucie Dupin
- Amanita
- Amanita caesarea
- Amanita mappa
- Amanita muscaria
- Amanita phalloides
- Amanita rubescens
- Amanita verna
- amanuensis
- amaranth
- amaranth family
- Amaranthaceae
- amaranthine
- Amaranthus
- Amaranthus albus
- Amaranthus caudatus
- Amaranthus cruentus
- Amaranthus graecizans
- Amaranthus hybridus erythrostachys
- Amaranthus hybridus hypochondriacus
- Amaranthus hypochondriacus
- Amaranthus spinosus
- amarelle
- amaretto
- Amarillo
- Amaryllidaceae
- amaryllis
- Amaryllis belladonna
- amaryllis family
- amass
- amastia
- Amaterasu
- Amaterasu Omikami
- amateur
- amateurish
- amateurishly
- amateurishness
- amateurism
- Amati
- amative
- amativeness
- amatory
- amatungulu
- Amauropelta
- amaurosis
- amaurotic
- amaze
- amazed
- amazement
- amazing
- amazingly
- amazon
- Amazon ant
- Amazon River
- Amazona
- ambage
- ambages
- ambagious
- ambassador
- ambassadorial
- ambassadorship
- ambassadress
- amber
- amber lily
- amber-green
- amberbell
- Amberboa
- Amberboa moschata
- amberfish
- ambergris
- amberjack
- ambiance
- ambidexterity
- ambidextrous
- ambidextrousness
- ambience
- ambient
- ambiguity
- ambiguous
- ambiguously
- ambit
- ambition
- ambitionless
- ambitious
- ambitiously
- ambitiousness
- ambivalence
- ambivalency
- ambivalent
- ambiversion
- ambiversive
- amble
- ambler
- Ambloplites
- Ambloplites rupestris
- amblygonite
- amblyopia
- amblyopic
- Amblyrhynchus
- Amblyrhynchus cristatus
- ambo
- amboina pine
- amboyna
- amboyna pine
- Ambrogio Damiano Achille Ratti
- Ambrose
- Ambrose Bierce
- Ambrose Everett Burnside
- Ambrose Gwinett Bierce
- ambrosia
- Ambrosia artemisiifolia
- Ambrosia psilostachya
- Ambrosia trifida
- Ambrosiaceae
- ambrosial
- Ambrosian
- ambulacral
- ambulacrum
- ambulance
- ambulance chaser
- ambulant
- ambulant plague
- ambulate
- ambulation
- ambulatory
- ambulatory plague
- ambuscade
- ambush
- ambusher
- Ambystoma
- Ambystoma maculatum
- Ambystoma mexicanum
- Ambystoma talpoideum
- Ambystoma tigrinum
- Ambystomatidae
- ambystomid
- ambystomid salamander
- AMD
- ameba
- ameban
- amebiasis
- amebic
- amebic dysentery
- amebiosis
- ameboid
- amebous
- Amedeo Avogadro
- Amedeo Modigliano
- ameer
- Ameiuridae
- Ameiurus
- Ameiurus Melas
- Amelanchier
- Amelanchier alnifolia
- Amelanchier bartramiana
- amelia
- Amelia Earhart
- ameliorate
- ameliorating
- amelioration
- ameliorative
- amelioratory
- ameloblast
- amelogenesis
- Amen
- amen cadence
- amen corner
- Amen-Ra
- amenability
- amenable
- amenableness
- amend
- amendable
- amendatory
- amended
- amended return
- amendment
- amends
- Amenhotep IV
- amenia
- amenities
- amenity
- amenorrhea
- amenorrheal
- amenorrheic
- amenorrhoea
- amenorrhoeal
- amenorrhoeic
- ament
- amentaceous
- amentia
- Amentiferae
- amentiferous
- amerce
- amercement
- amerciable
- America
- American
- American agave
- American alligator
- American aloe
- American angelica tree
- American antelope
- American arborvitae
- American arrowroot
- American aspen
- American badger
- American Baptist Convention
- American barberry
- American basswood
- American beech
- American bison
- American bittern
- American bittersweet
- American black bear
- American blight
- American bog asphodel
- American brooklime
- American buffalo
- American bugbane
- American capital
- American centaury
- American chameleon
- American cheese
- American chestnut
- American Civil War
- American cockroach
- American columbo
- American coot
- American copper
- American crab apple
- American cranberry
- American cranberry bush
- American crayfish
- American creeper
- American cress
- American crow
- American dewberry
- American dog tick
- American dog violet
- American dogwood
- American Dream
- American dwarf birch
- American eagle
- American egret
- American elder
- American elk
- American elm
- American English
- American Falls
- American featherfoil
- American Federalist Party
- American Federation of Labor
- American Federation of Labor and Congress of Industrial Organiz
- American feverfew
- American flag
- American flagfish
- American fly honeysuckle
- American flying squirrel
- American football
- American football game
- American foxhound
- American frogbit
- American gallinule
- American gentian
- American germander
- American ginseng
- American gray birch
- American green toad
- American grey birch
- American hackberry
- American harvest mouse
- American hazel
- American hellebore
- American holly
- American hop
- American hornbeam
- American Indian
- American Indian Day
- American ivy
- American kestrel
- American Labor Party
- American lady crab
- American language
- American larch
- American laurel
- American Legion
- American leishmaniasis
- American licorice
- American lime
- American liquorice
- American lobster
- American lotus
- American magpie
- American maidenhair fern
- American marten
- American mastodon
- American mastodont
- American merganser
- American mink
- American mistletoe
- American mountain ash
- American oil palm
- American olive
- American organ
- American oriole
- American parasol
- American parsley fern
- American Party
- American pasqueflower
- American pennyroyal
- American persimmon
- American pit bull terrier
- American plaice
- American plan
- American plane
- American pulsatilla
- American quaking aspen
- American raspberry
- American rattlebox
- American red elder
- American red plum
- American red squirrel
- American redstart
- American Revised Version
- American Revolution
- American Revolutionary leader
- American Revolutionary War
- American robin
- American rock brake
- American sable
- American saddle horse
- American Samoa
- American shrew mole
- American sign language
- American smelt
- American smokewood
- American smooth dogfish
- American spicebush
- American spikenard
- American Staffordshire terrier
- American Standard Code for Information Interchange
- American Standard Version
- American star grass
- American state
- American Stock Exchange
- American sweet chestnut
- American sweet gum
- American sycamore
- American toad
- American turkey oak
- American twinflower
- American Virgin Islands
- American wall fern
- American War of Independence
- American water ouzel
- American water shrew
- American water spaniel
- American watercress
- American white birch
- American white oak
- American white pine
- American widgeon
- American wistaria
- American wisteria
- American woodcock
- American wormseed
- American-Indian language
- Americana
- Americanisation
- Americanise
- Americanism
- Americanization
- Americanize
- americium
- Americus Vespucius
- Amerigo Vespucci
- Amerind
- Amerindian
- Amerindian language
- Amerindian race
- Amerindic
- ametabolic
- ametabolous
- amethopterin
- amethyst
- amethystine
- amethystine python
- ametria
- ametropia
- ametropic
- AMEX
- Amhara
- Amharic
- Amia
- Amia calva
- amiability
- amiable
- amiableness
- amiably
- Amianthum
- Amianthum muscaetoxicum
- Amianthum muscitoxicum
- amicability
- amicable
- amicableness
- amicably
- amicus curiae
- amicus curiae brief
- amide
- amidopyrine
- amidship
- amidships
- amigo
- Amiidae
- amine
- aminic
- amino
- amino acid
- amino group
- amino plastic
- amino resin
- aminoaciduria
- aminoalkane
- aminoalkanoic acid
- aminobenzine
- aminobenzoic acid
- aminomethane
- aminopherase
- aminophylline
- aminoplast
- aminopyrine
- aminotransferase
- amiodarone
- amir
- Amish
- Amish sect
- amiss
- amitosis
- amitotic
- amitriptyline
- amitriptyline hydrochloride
- amity
- amlodipine besylate
- Amman
- ammeter
- ammine
- ammino
- ammo
- ammobium
- Ammobium alatum
- Ammodytes
- Ammodytidae
- ammonia
- ammonia alum
- ammonia clock
- ammonia water
- ammoniac
- ammoniacal
- ammoniate
- ammoniated
- ammonification
- ammonify
- ammonite
- ammonitic
- ammonium
- ammonium alum
- ammonium carbamate
- ammonium carbonate
- ammonium chloride
- ammonium hydroxide
- ammonium ion
- ammonium nitrate
- ammoniuria
- ammonoid
- Ammotragus
- Ammotragus lervia
- ammunition
- ammunition chest
- amnesia
- amnesiac
- amnesic
- amnesic aphasia
- amnestic
- amnestic aphasia
- amnesty
- amnic
- amnio
- amniocentesis
- amnion
- amnionic
- amnionic fluid
- amnios
- Amniota
- amniote
- amniotic
- amniotic cavity
- amniotic fluid
- amniotic sac
- amobarbital
- amobarbital sodium
- amoeba
- amoeban
- amoebiasis
- amoebic
- amoebic dysentery
- Amoebida
- Amoebina
- amoebiosis
- amoeboid
- amoebous
- amok
- Amon
- Amon-Ra
- Amontillado
- Amor
- amora
- amoralism
- amoralist
- amorality
- amorally
- amorist
- amoristic
- amorous
- amorously
- amorousness
- amorpha
- Amorpha californica
- Amorpha canescens
- Amorpha fruticosa
- amorphophallus
- Amorphophallus campanulatus
- Amorphophallus paeonifolius
- Amorphophallus rivieri
- Amorphophallus titanum
- amorphous
- amorphous shape
- amort
- amortisation
- amortise
- amortization
- amortize
- Amos
- amount
- amount of money
- amour
- amour propre
- amoxicillin
- Amoxil
- Amoy
- amp
- amperage
- ampere
- ampere-hour
- ampere-minute
- ampere-second
- ampere-turn
- ampersand
- amphetamine
- amphetamine sulfate
- amphetamine sulphate
- amphibia
- amphibian
- amphibian family
- amphibian genus
- amphibiotic
- amphibious
- amphibious aircraft
- amphibious assault
- amphibious demonstration
- amphibious landing
- amphibious operation
- amphibious vehicle
- amphibole
- amphibole group
- Amphibolips
- amphibolite
- amphibology
- amphiboly
- amphibrach
- Amphicarpa
- Amphicarpa bracteata
- Amphicarpaea
- Amphicarpaea bracteata
- amphictyony
- amphidiploid
- amphidiploidy
- amphigory
- amphimixis
- Amphineura
- Amphioxidae
- amphioxus
- amphipod
- Amphipoda
- Amphiprion
- Amphiprion percula
- amphiprostylar
- amphiprostyle
- amphiprotic
- amphisbaena
- Amphisbaenia
- Amphisbaenidae
- amphistylar
- amphitheater
- amphitheatre
- amphitheatric
- amphitheatrical
- Amphitheatrum Flavium
- amphitropous
- amphitropous ovule
- amphiuma
- Amphiumidae
- amphora
- amphoric
- amphoteric
- amphotericin
- ampicillin
- ample
- ampleness
- amplexicaul leaf
- amplification
- amplifier
- amplify
- amplitude
- amplitude distortion
- amplitude level
- amplitude modulation
- amply
- ampoule
- ampul
- ampule
- ampulla
- ampullar
- ampullary
- amputate
- amputation
- amputator
- amputee
- amrinone
- Amsinckia
- Amsinckia grandiflora
- Amsinckia intermedia
- Amsler grid
- Amsonia
- Amsonia tabernaemontana
- Amsterdam
- amuck
- amulet
- Amun
- Amun Ra
- Amundsen
- Amur
- Amur privet
- Amur River
- AMusD
- amuse
- amused
- amusement
- amusement arcade
- amusement park
- amusing
- amusingly
- amusive
- Amy Lowell
- Amy Lyon
- amygdala
- Amygdalaceae
- amygdaliform
- amygdalin
- amygdaline
- amygdaloid
- amygdaloid nucleus
- amygdaloidal
- amygdalotomy
- Amygdalus
- Amygdalus communis
- Amygdalus communis amara
- amyl
- amyl alcohol
- amyl nitrate
- amylaceous
- amylase
- amyloid
- amyloid plaque
- amyloid protein plaque
- amyloidal
- amyloidosis
- amylolysis
- amylolytic
- amylum
- amyotonia
- amyotrophia
- amyotrophic lateral sclerosis
- amyotrophy
- Amytal
- amyxia