- african american english
- african american vernacular english
- african bowstring hemp
- african chameleon
- african clawed frog
- african coral snake
- african country
- african crocodile
- african daisy
- african elephant
- african gray
- african green monkey
- african grey
- african hemp
- african holly
- african hunting dog
- african lily
- african love grass
- african mahogany
- african marigold
- african millet
- african monitor
- african nation
- african oil palm
- african sandalwood
- african scented mahogany
- african tea
- african tulip
- african violet
- african walnut
- african wild ass
- african yellowwood
- african-american
- african-american music
- africander
- africanized bee
- africanized honey bee
- afrikaans
- afrikander
- afrikaner
- afrl
- afro
- afro hairdo
- afro-american
- afro-asian
- afroasiatic
- afro-asiatic
- afroasiatic language
- afrocarpus
- afrocarpus falcata
- afropavo
- afropavo congensis
- afro-wig
- afspc
- aft
- after
- after a fashion
- after all
- after hours
- after part
- afterbirth
- afterburner
- aftercare
- afterdamp
- afterdeck
- aftereffect
- afterglow
- after-hours
- afterimage
- afterlife
- aftermath
- aftermost
- afternoon
- afternoon tea
- afterpains
- afterpiece
- afters
- after-school
- aftersensation
- aftershaft
- aftershafted
- after-shave
- after-shave lotion
- aftershock
- aftertaste
- afterthought
- afterward
- afterwards
- afterworld
- ag
- aga
- again
- again and again
- against the clock
- against the wind
- against time
- agal
- agalactia
- agalactosis
- agalinis
- agama
- agamemnon
- agamete
- agamic
- agamid
- agamid lizard
- agamidae
- agammaglobulinemia
- agamogenesis
- agamogenetic
- agamous
- agapanthus
- agapanthus africanus
- agape
- agape love
- agapornis
- agar
- agar-agar
- agaric
- agaricaceae
- agaricales
- agaricus
- agaricus arvensis
- agaricus campestris
- agassiz
- agastache
- agastache foeniculum
- agastache mexicana
- agastache nepetoides
- agate
- agate line
- agateware
- agatha christie
- agathis
- agathis alba
- agathis australis
- agathis dammara
- agathis lanceolata
- agathis robusta
- agavaceae
- agave
- agave americana
- agave atrovirens
- agave cantala
- agave family
- agave sisalana
- agave tequilana
- agaze
- agdestis
- agdistis
- age
- age bracket
- age class
- age group
- age limit
- age norm
- age of consent
- age of fishes
- age of mammals
- age of man
- age of reason
- age of reptiles
- aged
- agedness
- agee
- ageing
- ageism
- agelaius
- agelaius phoeniceus
- ageless
- agelessness
- agelong
- agency
- agency security
- agenda
- agenda item
- agendum
- agene
- agenesia
- agenesis
- agenise
- agenize
- agent
- agent bank
- agent orange
- agent provocateur
- agential
- agent-in-place
- agentive role
- age-old
- agerasia
- ageratina
- ageratina altissima
- ageratum
- ageratum houstonianum
- age-related
- age-related macular degeneration
- aggeus
- agglomerate
- agglomerated