4-letter words starting with a
- ayah — (in the East, Africa, and other parts of the former British Empire) a maidservant, nursemaid, or governess, esp one of Indian or Malay origin
- ayas — Plural form of aya.
- ayat — A verse of the Quran.
- ayer — Sir Alfred Jules. 1910–89, English positivist philosopher, noted particularly for his antimetaphysical work Language, Truth, and Logic (1936)
- ayes — yes.
- ayin — the 16th letter in the Hebrew alphabet (ע), originally a pharyngeal fricative, that is now silent and transliterated by a raised inverted comma (`)
- ayme — Marcel (marsɛl). 1902–67, French writer: noted for his light and witty narratives
- ayre — air1 (def 8d).
- ayuh — (rural New England, especially Maine) Yes; an expression of affirmation.
- aza- — denoting the presence of nitrogen, esp a nitrogen atom in place of a -CH group or an -NH group in place of a -CH2 group
- azan — the call to prayer five times a day, usually by a muezzin from a minaret
- azo- — indicating the presence of an azo group
- azof — Sea of, a northern arm of the Black Sea connected with the Black Sea by Kerch Strait. About 14,500 sq. mi. (37,555 sq. km).
- azon — a type of smart-bomb deployed in World War II
- azov — Sea ofnorthern arm of the Black Sea, in SE Europe: c. 14,000 sq mi (36,260 sq km)
- azym — unleavened bread