7-letter words containing r, o, s
- oosperm — a fertilized ovum; zygote
- oospore — a fertilized egg within an oogonium.
- openers — a person or thing that opens.
- operons — Plural form of operon.
- operose — industrious, as a person.
- opposer — to act against or provide resistance to; combat.
- oppress — to burden with cruel or unjust impositions or restraints; subject to a burdensome or harsh exercise of authority or power: a people oppressed by totalitarianism.
- or else — other than the persons or things mentioned or implied: What else could I have done?
- oraches — Plural form of orache.
- oracles — (especially in ancient Greece) an utterance, often ambiguous or obscure, given by a priest or priestess at a shrine as the response of a god to an inquiry.
- oralism — the theory, practice, or advocacy of education for the deaf chiefly or exclusively through lipreading, training in speech production, and training of residual hearing.
- oralist — an advocate of oralism.
- oranges — a member of a European princely family ruling in the United Kingdom from 1688 to 1694 and in the Netherlands since 1815.
- orantes — orant.
- orators — Plural form of orator.
- orbison — Roy, 1936–88, U.S. rock and roll singer and songwriter.
- orbless — characterized by the absence of orbs
- orchids — Plural form of orchid.
- orchils — Plural form of orchil.
- ordains — Third-person singular simple present indicative form of ordain.
- ordeals — Plural form of ordeal.
- ordines — Roman Catholic Church. a booklet containing short and abbreviated directions for the contents of the office and Mass of each day in the year.
- ordures — Plural form of ordure.
- oreades — Plural form of oread.
- orestes — Classical Mythology. the son of Agamemnon and Clytemnestra, and the brother of Electra and Iphigenia: he avenged the murder of Agamemnon by killing Clytemenestra and her lover, Aegisthus, then was pursued by the Furies until saved by Athena.
- Öresund — strait between Sweden and the Danish island of Zealand: c. 80 mi (129 km) long
- orgasms — Plural form of orgasm.
- orgasum — Misspelling of orgasm.
- orgiast — One who celebrates orgies.
- orients — Third-person singular simple present indicative form of orient.
- origins — Plural form of origin.
- orioles — Plural form of oriole.
- orisons — Plural form of orison.
- orleans — Louis Philippe Joseph [lwee fee-leep zhaw-zef] /lwi fiˈlip ʒɔˈzɛf/ (Show IPA), Duc (Philippe Égalité) 1747–93, French political leader.
- orogens — an extensive belt of rocks deformed by orogeny, associated in places with plutonic and metamorphic rocks.
- orontes — a river in W Asia, flowing N from Lebanon through NW Syria and then SW past Antioch, Turkey, to the Mediterranean. 250 miles (405 km) long.
- oronyms — Plural form of oronym.
- oropesa — a float used in minesweeping
- orosius — Paulus [paw-luh s] /ˈpɔ ləs/ (Show IPA), flourished 5th century a.d, Spanish theologian and historian.
- orphans — Plural form of orphan.
- orpheus — Greek Legend. a poet and musician, a son of Calliope, who followed his dead wife, Eurydice, to the underworld. By charming Hades, he obtained permission to lead her away, provided he did not look back at her until they returned to earth. But at the last moment he looked, and she was lost to him forever.
- orphism — the religious or philosophical system of the Orphic school.
- orpines — Plural form of orpine.
- orthros — Greek Orthodox Church. the morning office, corresponding to matins.
- osborne — John (James) 1929–94, English playwright.
- oscular — pertaining to an osculum.
- osiered — covered with osiers
- osirian — the king and judge of the dead, the husband and brother of Isis, and father (or brother) of Horus, killed by Set but later resurrected (after Horus killed Set): usually depicted as a man, partly wrapped as a mummy, having a beard and wearing the atef-crown.
- osmolar — Of or pertaining to osmolarity.
- ospreys — Plural form of osprey.