7-letter words containing s, i
- ainsley — Sir Ben, full name Charles Benedict Ainsley. born 1977, English competitive sailor: won gold medals for Britain at four consecutive Olympics (2000–2012)
- air gas — dry air charged with vapor from petroleum or some other hydrocarbon, used for lighting or heating
- air sac — any of the membranous air-filled extensions of the lungs of birds, which increase the efficiency of gaseous exchange in the lungs
- airbags — Plural form of airbag.
- airbase — A base for the operation of military aircraft.
- aircast — a pneumatic brace used to support an injured body part
- airguns — Plural form of airgun.
- airhose — a hose for conducting air under pressure, as one connected to an air pump, an air brake, or a scuba tank.
- airiest — Superlative form of airy.
- airings — Plural form of airing.
- airless — If a place is airless, there is no fresh air in it.
- airpost — the system of delivering mail by air; airmail
- airshed — a region sharing a common flow of air, which may become uniformly polluted and stagnant
- airship — An airship is an aircraft that consists of a large balloon which is filled with gas and is powered by an engine. It has a section underneath for passengers.
- airshot — aircheck
- airshow — An airshow is an event at which aeroplane pilots entertain the public by performing very skilful and complicated movements with the aircraft in the sky.
- airsick — If you are airsick when you are traveling on an aircraft, you experience nausea as a result of the aircraft's motion.
- airside — the part of an airport nearest the aircraft, the boundary of which is the security check, customs, passport control, etc
- airsoft — A modern combat sport in which participants eliminate their opponents by hitting them with spherical non-metallic pellets launched from a compressed-air gun.
- airstop — a landing place for helicopters
- airwash — to cool (a roof or the like) with a current of air.
- airways — The passage by which air reaches a person's lungs.
- airwise — having skill in flying
- aitches — Plural form of aitch.
- aj, sir — Sir A(lfred) J(ules) 1910–1989, English philosopher, teacher, and author.
- akashic — Of or pertaining to akasha.
- akhisar — a town in W Turkey, NE of Izmir.
- akrasia — weakness of will; acting in a way contrary to one's sincerely held moral values
- albinos — Plural form of albino.
- albinus — Alcuin.
- alcaics — verse written in the Alcaic form
- alcides — Hercules
- alevins — Plural form of alevin.
- alfisol — a fertile soil of humid regions that occurs worldwide, especially where native broadleaf forests were established, and is highly productive for agriculture.
- algesi- — algo-
- algesia — the capacity to feel pain
- algesic — sensitivity to pain; hyperesthesia.
- algesis — a feeling or sense of pain
- algiers — the capital of Algeria, an ancient port on the Mediterranean; until 1830 a centre of piracy. Pop: 3 260 000 (2005 est)
- alhajis — Plural form of alhaji.
- aliased — Simple past tense and past participle of alias.
- aliases — a false name used to conceal one's identity; an assumed name: The police files indicate that “Smith” is an alias for Simpson.
- alibies — Third-person singular simple present indicative form of alibi.
- alidads — Plural form of alidad.
- alights — Third-person singular simple present indicative form of alight.
- alkalis — Plural form of alkali.
- alkines — any member of the alkyne series.
- allison — Donald ("Donnie") born 1939, and his brother, Robert, (Bobby), born 1937, U.S. racing-car drivers.
- alliums — Plural form of allium.
- alpines — Plural form of alpine.