4-letter words containing a, n
- anis — a French or Spanish liqueur flavored with aniseed
- ankh — a tau cross with a loop on the top, symbolizing eternal life: often appearing in Egyptian personal names, such as Tutankhamen
- anna — a former Indian copper coin, worth one sixteenth of a rupee
- anne — Princess, the Princess Royal. born 1950, daughter of Elizabeth II of Great Britain and Northern Ireland; a noted horsewoman and president of the Save the Children Fund
- anno — in the year
- anny — Eye dialect of any.
- anoa — the smallest of the cattle tribe Anoa depressicornis, having small straight horns and inhabiting the island of Celebes in Indonesia
- anon — Anon means quite soon.
- anow — enough
- anpr — Automatic Number Plate Recognition: a surveillance technology which uses optical character recognition on camera images to read a vehicle's numberplate
- ansa — the apparent extremities of planetary rings, esp those of Saturn, when viewed from such a perspective that they look like handles
- ansi — American National Standards Institution
- ant- — anti-
- anta — a pilaster attached to the end of a side wall or sometimes to the side of a doorway
- ante — the gaming stake put up before the deal in poker by the players
- anti — You can refer to people who are opposed to a particular activity or idea as antis.
- ants — any of numerous black, red, brown, or yellow social insects of the family Formicidae, of worldwide distribution especially in warm climates, having a large head with inner jaws for chewing and outer jaws for carrying and digging, and living in highly organized colonies containing wingless female workers, a winged queen, and, during breeding seasons, winged males, some species being noted for engaging in warfare, slavemaking, or the cultivation of food sources.
- antu — an odorless gray powder, C10H7NHCSNH2, used to kill rats
- anty — Covered with ants.
- anus — A person's anus is the hole from which faeces leaves their body.
- anza — Juan Bautista de [hwahn bou-tees-tah th e] /ʰwɑn baʊˈtis tɑ ðɛ/ (Show IPA), 1735–88, Spanish frontiersman and army officer, born in Mexico: explored western coast of U.S.
- aonb — Area of Outstanding Natural Beauty: an area designated by the appropriate government bodies as requiring protection to conserve and enhance its natural beauty
- aone — noting a vessel regarded by a shipping-classification society as being equipped to the highest standard and with equipment maintained in first-class condition.
- appn — Advanced Peer-to-Peer Networking
- aran — of or relating to the Aran Islands
- arna — the wild water buffalo of India, which is larger than the domestic buffalo, has very large horns and is an endangered species
- arne — Thomas (Augustine). 1710–78, English composer, noted for his setting of Shakespearean songs and for his song Rule Britannia
- arni — The wild water buffalo, Bubalis arnee.
- arno — a river in central Italy, rising in the Apennines and flowing through Florence to the Ligurian Sea. Length: about 240 km (150 miles)
- aron — a male given name.
- arvn — a soldier in the army of South Vietnam.
- assn — association
- aten — (in ancient Egypt) the solar disc worshipped as the sole god in the reign of Akhenaten
- atna — Ahtna.
- aton — a solar deity declared by Amenhotep IV to be the only god, represented as a solar disk with rays ending in human hands.
- attn — attention
- aune — an old French measure of length, usually for measuring cloth
- aunt — Someone's aunt is the sister of their mother or father, or the wife of their uncle.
- aven — A vertical shaft leading upward from a cave passage, sometimes connecting with passages above.
- avon — a former county of SW England, created in 1974 from areas of N Somerset and S Gloucestershire: replaced in 1996 by the unitary authorities of Bath and North East Somerset (Somerset), North Somerset (Somerset), South Gloucestershire (Gloucestershire), and Bristol
- awns — Plural form of awn.
- awny — having awns
- axen — Lb UK dialectal Ashes.
- axin — (medicine) A fatty and varnish-like substance produced in Mexico by an insect, Coccus axinus, used in the arts and locally in medicine, being regarded as a good vulnerary and resolvent.
- axon — the long threadlike extension of a nerve cell that conducts nerve impulses from the cell body
- ayin — the 16th letter in the Hebrew alphabet (ע), originally a pharyngeal fricative, that is now silent and transliterated by a raised inverted comma (`)
- azan — the call to prayer five times a day, usually by a muezzin from a minaret
- azon — a type of smart-bomb deployed in World War II
- baan — (company) A provider of enterprise resource planning and manufacturer resource planning software.
- bain — (Now chiefly dialectal) Ready; willing.