8-letter words containing a, c, t, s, o
- mycostat — a substance or preparation that prevents or inhibits the growth of molds.
- notecase — billfold.
- oatcakes — Plural form of oatcake.
- obstacle — something that obstructs or hinders progress.
- occamist — William of, died 1349? English scholastic philosopher.
- octagons — Plural form of octagon.
- octavius — a male given name.
- opencast — (chiefly, British) Of or pertaining to strip mining, in which material is removed from a surface that has been exposed.
- opticals — (India) spectacles.
- orgastic — the physical and emotional sensation experienced at the peak of sexual excitation, usually resulting from stimulation of the sexual organ and usually accompanied in the male by ejaculation.
- oscitant — yawning, as with drowsiness; gaping.
- oscitate — To gape; to yawn.
- osculant — united by certain common characteristics.
- osculate — to come into close contact or union.
- osmotica — Plural form of osmoticum.
- ostracod — seed shrimp.
- ostracon — (in ancient Greece) a potsherd, especially one used as a ballot on which the name of a person voted to be ostracized was inscribed.
- outcalls — Plural form of outcall.
- outcaste — (in India) a person who has left or been expelled from his or her caste.
- outcasts — Plural form of outcast.
- outclass — to surpass in excellence or quality, especially by a wide margin; be superior: He far outclasses the other runners in the race.
- outpaces — Third-person singular simple present indicative form of outpace.
- overacts — Third-person singular simple present indicative form of overact.
- overcast — overspread or covered with clouds; cloudy: an overcast day.
- pactolus — a small river in Asia Minor, in ancient Lydia: famous for the gold washed from its sands.
- piscator — fisherman.
- postcard — Also called picture postcard. a small, commercially printed card, usually having a picture on one side and space for a short message on the other.
- postcava — See under vena cava.
- postface — any statement or information at the end of a text, the opposite of a preface
- postical — (of the position of plant parts) behind another part; posterior
- postrace — designating the period after a race
- potassic — of, relating to, or containing potassium.
- sack out — a large bag of strong, coarsely woven material, as for grain, potatoes, or coal.
- salt cod — salted and dried cod that is desalted by soaking before use.
- sanction — authoritative permission or approval, as for an action.
- saucepot — a cooking pot having a handle on each side and a close-fitting lid, used especially for stewing and simmering.
- scordato — out of tune
- scotland — a division of the United Kingdom in the N part of Great Britain. 30,412 sq. mi. (78,772 sq. km). Capital: Edinburgh.
- scotopia — vision in dim light (opposed to photopia).
- scotsman — a person, especially a man, who is a native or inhabitant of Scotland; Scot.
- scranton — William Warren, 1917–2011, U.S. politician.
- seacoast — the land immediately adjacent to the sea.
- sectator — a member or follower of a sect
- sectoral — Geometry. a plane figure bounded by two radii and the included arc of a circle.
- slot car — a miniature, electrically-operated toy racing car that runs on a slotted track and is controlled by an operator with a handheld rheostat.
- slotback — an offensive back who lines up about one yard behind the gap in the line between a tackle and an end stationed a distance outside of the tackle.
- societal — noting or pertaining to large social groups, or to their activities, customs, etc.
- socrates — 469?–399 b.c, Athenian philosopher.
- socratic — of or relating to Socrates or his philosophy, followers, etc., or to the Socratic method.
- softback — paperback book