9-letter words that end in as
- las vegas — a city in SE Nevada.
- lavateras — Plural form of lavatera.
- lymphomas — Plural form of lymphoma.
- mackerras — Sir Charles. 1925–2010, Australian conductor, esp of opera
- madrassas — Plural form of madrassa.
- magnolias — Plural form of magnolia.
- maharajas — Plural form of maharaja.
- mains gas — gas supplied to a building through pipes
- mantillas — Plural form of mantilla.
- manyattas — Plural form of manyatta.
- marsh gas — a gaseous decomposition product of organic matter, consisting primarily of methane.
- martinmas — a church festival, November 11, in honor of St. Martin.
- melanomas — Plural form of melanoma.
- meshugaas — foolishness; insanity; senselessness.
- mishegaas — meshugaas.
- moussakas — Plural form of moussaka.
- mushairas — Plural form of mushaira.
- nerve gas — any of several poison gases, derived chiefly from phosphoric acid, that weaken or paralyze the nervous system, especially that part of the system controlling respiration.
- no wukkas — an expression used to express agreement or to convey that something is proceeding or has proceeded satisfactorily; no problem
- noble gas — any of the chemically inert gaseous elements of group 8A or 0 of the periodic table: helium, neon, argon, krypton, xenon, and radon.
- opelousas — a city in S Louisiana.
- operettas — Plural form of operetta.
- pausanias — flourished a.d. c175, Greek traveler, geographer, and author.
- pelopidas — died 364 b.c, Greek general and statesman of Thebes.
- plexiglas — material: acrylic glass
- plumdamas — a damson plum or prune
- procellas — pucellas.
- proformas — according to form; as a matter of form; for the sake of form.
- psychogas — a gas with a mind-altering effect
- quinellas — Plural form of quinella.
- san dimas — a city in SW California.
- san lucas — Cape, a cape extending into the Pacific Ocean at the S tip of the Baja California peninsula, W Mexico, at the entrance to the Gulf of California.
- sassafras — an American tree, Sassafras albidum, of the laurel family, having egg-shaped leaves and long clusters of greenish-yellow flowers.
- self-bias — voltage developed on an electrode in a vacuum tube circuit as a result of current flowing through a resistor in a lead to the cathode or to a grid.
- sewer gas — a mixture of toxic and non-toxic gases (mainly methane) produced and collected in sewers by the decomposition of waste matter such as faeces or dirty water from homes and factories
- shale gas — Shale gas is a natural gas that is removed from rock by forcing liquid and sand into the rock.
- so far as — as far as, in as much as
- sophonias — Zephaniah.
- st. elias — a mountain on the boundary between Alaska and Canada, a peak of the St. Elias Mountains. 18,008 feet (5490 meters).
- steenbras — a variety of sea bream, Lithognathos lithognathos, valued as a food fish in South Africa
- subpoenas — the usual writ for the summoning of witnesses or the submission of evidence, as records or documents, before a court or other deliberative body.
- swamp gas — marsh gas
- teiresias — a blind prophet, usually said to have been blinded because he saw Athena bathing, and then to have been awarded the gift of prophecy as a consolation for his blindness.
- tulsi das — 1543?–1623, Hindi poet and philosopher.
- underseas — beneath the surface of the sea.
- water gas — a toxic gaseous mixture consisting chiefly of carbon monoxide and hydrogen, prepared from steam and incandescent coke: used as an illuminant, fuel, and in organic synthesis.
- wenceslas — 1361–1419, emperor of the Holy Roman Empire 1378–1400; as Wenceslaus IV, king of Bohemia 1378–1419.
- wisterias — Plural form of wisteria.
- xanthomas — Plural form of xanthoma.
- zacatecas — a state in central Mexico. 28,125 sq. mi. (72,845 sq. km).