8-letter words containing r, o, s
- airboats — Plural form of airboat.
- airdrops — Plural form of airdrop.
- airflows — Plural form of airflow.
- airfoils — Plural form of airfoil.
- airlocks — Plural form of airlock.
- airports — Plural form of airport.
- airshows — Plural form of airshow.
- alforjas — Plural form of alforja.
- alfresco — An alfresco activity, especially a meal, is one that takes place in the open air.
- algorism — the Arabic or decimal system of counting
- alienors — Plural form of alienor.
- allegros — Plural form of allegro.
- allosaur — any large carnivorous bipedal dinosaur of the genus Antrodemus (formerly Allosaurus), common in North America in late Jurassic times: suborder Theropoda (theropods)
- allsorts — assorted small candies, usually flavored with licorice
- alphorns — Plural form of alphorn.
- also-ran — If you describe someone as an also-ran, you mean that they have been or are likely to be unsuccessful in a contest.
- althorns — Plural form of althorn.
- amberous — of, relating to or resembling amber
- ambrosia — In Greek mythology, ambrosia is the food of the gods.
- amfortas — (in medieval legend) the leader of the knights of the Holy Grail
- amorists — Plural form of amorist.
- amortise — amortize
- amourist — Alternative form of amorist.
- amourous — Alternative form of amorous.
- ancestor — Your ancestors are the people from whom you are descended.
- anderson — a river in N Canada, in the Northwest Territories, rising in lakes north of Great Bear Lake and flowing west and north to the Beaufort Sea. Length: about 580 km (360 miles)
- andirons — Plural form of andiron.
- androids — Plural form of android.
- angstrom — a unit of length equal to 10–10 metre, used principally to express the wavelengths of electromagnetic radiations. It is equivalent to 0.1 nanometre
- anourous — anurous.
- antrorse — directed or pointing upwards or forwards
- aoristic — Grammar. pertaining to the aorist.
- aortitis — inflammation of the aorta
- apaporis — a river in S central Colombia, in the Amazon system, flowing SE to the Japurá River. 500 miles (805 km) long.
- apastron — the point at which the stars of a binary system are farthest apart (opposed to periastron).
- aphorise — To create an aphorism.
- aphorism — An aphorism is a short witty sentence which expresses a general truth or comment.
- aphorist — a person who makes or uses aphorisms.
- apikoros — A Jewish skeptic or apostate.
- apospory — development of the gametophyte from the sporophyte without the formation of spores
- approves — Third-person singular simple present indicative form of approve.
- apricots — Plural form of apricot.
- apterous — (of insects) without wings, as silverfish and springtails
- apurpose — (dialect) on purpose; deliberately.
- araceous — belonging to the plant family Araceae.
- araneose — arachnoid, especially as a plant.
- araneous — resembling a spider's web
- arborise — To cause to have a tree like appearance.
- arborist — a specialist in the cultivation of trees
- arborous — relating to, or formed by, trees