3-letter words that end in a
- coa — coenzyme A
- cpa — CPA is an abbreviation for certified public accountant.
- csa — Child Support Agency
- cua — Common User Access
- cva — cerebrovascular accident
- cwa — Country Women's Association
- cya — CYA is the written abbreviation for 'see you', mainly used in text messages and e-mails.
- d/a — deposit account
- daa — Distributed Application Architecture: under design by Hewlett-Packard and Sun. A distributed object management environment that will allow applications to be developed independent of operating system, network or windowing system.
- dba — Doctor of Business Administration
- dca — 1. Defense Communications Agency. See DISA. 2. Document Content Architecture from IBM.
- dea — Data Encryption Algorithm
- dfa — Doctor of Fine Arts
- dha — District Health Authority
- dma — (architecture) (DMA) A facility of some architectures which allows a peripheral to read and write memory without intervention by the CPU. DMA is a limited form of bus mastering.
- dna — Deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.
- doa — patient: dead on arrival
- dpa — Data Protection Act
- dsa — Directory System Agent
- dua — Directory User Agent
- eda — a female given name.
- eea — European Economic Area
- efa — essential fatty acid
- ega — Enhanced Graphics Adapter
- eia — Electronics Industry Association
- ema — A wooden plaque bearing a prayer or wish, left hanging at a Shinto shrine.
- epa — eicosapentaenoic acid: a fatty acid, found in certain fish oils, that can reduce blood cholesterol
- era — A long and distinct period of history with a particular feature or characteristic.
- esa — 1. (architecture) Enterprise Systems Architecture. 2. (body) European Space Agency.
- eta — The seventh letter of the Modern Greek alphabet, the eighth in Old Greek.
- eva — 1. A toy ALGOL-like language used in "Formal Specification of Programming Languages: A Panoramic Primer", F.G. Pagan, P-H 1981. 2. Explicit Vector Language.
- faa — The letter ف in the Arabic script.
- fba — Fellow of the British Academy
- fca — Fellow of the Institute of Chartered Accountants
- fda — Food and Drug Administration
- ffa — free from alongside (ship)
- fha — Federal Housing Administration
- fia — (in Britain) Fellow of the Institute of Actuaries
- fpa — Abigail (Smith) 1744–1818, U.S. social and political figure (wife of John Adams).
- fra — Wireless Local Loop
- fsa — Fellow of the Society of Antiquaries
- fwa — flexible working arrangement: an agreement between an employer and employee that the employee's working hours may be adapted to suit his or her particular needs
- fya — For your amusement.
- gaa — Gaelic Athletic Association
- gba — Alderney (international car registration)
- gca — ground control approach
- gda — (application) (Genetic Data Analysis) A program by Paul O. Lewis and Dmitri Zaykin, designed to accompany the referenced book, that computes linkage and hardy-weinberg disequilibrium and some genetic distances, and provides method-of-moments estimators for hierarchical F-statistics. A command-line version by Chris Basten runs under Mac OS.
- gea — Graph Extended ALGOL. Extension of ALGOL 60 for graph manipulation, on UNIVAC 1108. "A Language for Treating Graphs", S. Crespi-Reghizzi et al, CACM 13(5) (May 1970).
- gla — Greater London Assembly, established in 2000
- goa — a former Portuguese overseas territory on the W coast of India, consisting of the districts of Gôa, Daman, and Diu: annexed by India December 1961. Capital: Gôa.