List of 5-letter words beginning with

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There are 7 five-letter words beginning with OS

OSCAR	• oscar n. Astronotus ocellatus, a cichlid fish, native to South America, sometimes kept in aquariums. • oscar n. (International standards) Alternative letter-case form of Oscar from the NATO/ICAO Phonetic Alphabet. • oscar n. Alternative letter-case form of Oscar of the ICAO/NATO radiotelephony alphabet.
OSHAC	• oshac n. The perennial herb Dorema ammoniacum, whose stem yields ammoniacum. • OSHAC n. (Arabic) the ammoniac plant.
OSIER	• osier n. A kind of willow, Salix viminalis, growing in wet places in Europe and Asia, and introduced into North… • osier n. One of the long, pliable twigs of this plant, or of other similar plants. • Osier prop.n. A surname from French.
OSMIC	• osmic adj. (Chemistry, obsolete) Pertaining to, derived from, or containing, osmium; specifically, designating… • osmic adj. Relating to the sense of smell. • OSMIC adj. containing osmium in higher valency.
OSMOL	• osmol n. Alternative form of osmole. • OSMOL n. a unit of osmotic pressure, also OSMOLE.
OSSIA	• ossia n. (Music) In a musical score, an alternative version of a passage, usually just a few measures long. The… • OSSIA n. (Italian) in music, an alternative passage.
OSTIA	• ostia n. Plural of ostium. • Ostia prop.n. (Historical) A port and town on the Tiber in Italia, Roman Empire, the harbour of ancient Rome. • Ostia prop.n. A modern refounding of the ancient town at the mouth of the Tiber, now a neighbourhood of Rome, Italy.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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English Wiktionary: 64 words
Scrabble in French: 17 words
Scrabble in Spanish: 31 words
Scrabble in Italian: 30 words
Scrabble in German: 8 words
Scrabble in Romanian: 32 words

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