4-letter words containing a, d
- maid — a female servant.
- mand — (psychology) A verbal operant in which the response is reinforced by a characteristic consequence and is therefore under the functional control of relevant conditions of deprivation or aversive stimulation.
- mard — (Northern England) To cosset (a child).
- maud — Matilda (def 1).
- mcad — Microsoft Certified Application Developer
- mdac — Microsoft Data Access Components
- mdma — 3,4-methylenedioxymethamphetamine
- mdna — mitochondrial DNA
- mead — George Herbert, 1863–1931, U.S. philosopher and author.
- mrda — Mandy Rice-Davis Applies
- nada — nothing; zero; none: I have absolutely no motivation—zilch, zip, nada!
- nade — (video game, slang) A grenade.
- nadh — the chemically reduced form of NAD
- nadp — nicotinamide adenine dinucleotide phosphate; a coenzyme with functions similar to those of NAD
- nads — (slang, rarely used in the singular) The testicles.
- nand — (logic) Not AND. The Boolean function which is true unless both its arguments are true, the logical complement of AND: A NAND B = NOT (A AND B) = (NOT A) OR (NOT B) Its truth table is: A | B | A NAND B --+---+--------- F | F | T F | T | T T | F | T T | T | F NAND, like NOR, forms a complete set of Boolean functions on its own since it can be used to make NOT, AND, OR and any other Boolean function: NOT A = A NAND A A AND B = NOT (A NAND B) A OR B = (NOT A) NAND (NOT B)
- nard — an aromatic Himalayan plant, believed to be the spikenard, Nardostachys jatamansi, the source of an ointment used by the ancients.
- nida — a female given name, form of Nydia.
- odah — oda.
- odan — Old Danish
- odas — a room within a harem.
- odea — a hall, theater, or other structure for musical or dramatic performances.
- odia — a member of a people of India living chiefly in Odisha (formerly Orissa) and neighbouring states
- odma — Open Document Management API
- odra — the Oder
- odsa — Open Distributed System Architecture
- orad — toward the mouth or the oral region.
- pada — a unit of Sanskrit or Vedic poetic meter, a series of light and heavy syllables, usually one quarter of a four-line stanza.
- paid — a simple past tense and past participle of pay1 .
- pand — drapery concealing the legs of a bed
- pard — partner; companion.
- patd — patented
- pdsa — People's Dispensary for Sick Animals
- prad — Informal. horse.
- qadi — a judge in a Muslim community, whose decisions are based on Islamic religious law.
- qaid — (in North Africa) a Muslim tribal chief, judge, or senior official.
- quad — quadriplegic: a special ward for quads.
- raad — Electric catfish.
- rada — (politics) a parliamentary body in a number of Slavic countries.
- rade — Obsolete spelling of road.
- radm — Rear Admiral
- raid — a sudden assault or attack, as upon something to be seized or suppressed: a police raid on a gambling ring.
- rand — Witwatersrand.
- rdba — Remote Database Access
- read — to look at carefully so as to understand the meaning of (something written, printed, etc.): to read a book; to read music.
- riad — a traditional Moroccan house, built around an interior garden
- road — a long, narrow stretch with a smoothed or paved surface, made for traveling by motor vehicle, carriage, etc., between two or more points; street or highway.
- sade — Donatien Alphonse François [daw-na-syan al-fawns frahn-swa] /dɔ naˈsyɛ̃ alˈfɔ̃s frɑ̃ˈswa/ (Show IPA), Comte de (Marquis de Sade) 1740–1814, French soldier and novelist, notorious for his paraphilia.
- sadi — (Muslih ud-Din) 1184?–1291? Persian poet.
- sads — the 14th letter of the Arabic alphabet.