There is a total of 40594 clues beginning with so
- Soviet news outfit
- Soviet news service
- Soviet news service: ITAR-___
- Soviet news source
- Soviet newspaper
- Soviet Nobel physicist
- Soviet nuclear physicist Kurchatov
- Soviet nuclear-powered submarine
- Soviet official
- Soviet oil center in Northwest Caucasus
- Soviet or Western
- Soviet org in "Bridge of Spies"
- Soviet paper
- Soviet penal system
- Soviet peninsula
- Soviet Physics Nobelist ___ Tamm
- Soviet Physics Nobelist___Landau
- Soviet poet Mandelstam
- Soviet pol Andropov
- Soviet pol Gromyko
- Soviet police before NKVD
- Soviet police initials
- Soviet political prison
- Soviet politico Andrei
- Soviet port: Var
- Soviet practice
- Soviet premier
- Soviet premier Joseph
- Soviet premier Khrushchev
- Soviet premier Kosygin
- Soviet premier, 1941-53
- Soviet president when the Berlin Wall was dismantled
- Soviet President
- Soviet president: 1923–46
- Soviet press agency
- Soviet press agency
- Soviet press group
- Soviet prison camp
- Soviet propagandist
- Soviet range
- Soviet range or river
- Soviet range
- Soviet region
- Soviet region: Abbr
- Soviet regional representative
- Soviet rep
- Soviet republic
- Soviet republic in Asia, capital Stalinabad
- Soviet republic in Asia
- Soviet republic in Northwest Russia
- Soviet republic
- Soviet republic: Abbr
- Soviet revolutionary
- Soviet river
- Soviet river
- Soviet salt lake
- Soviet satellite
- Soviet satellite: Abbr
- Soviet satellites
- Soviet scientist Kurchatov
- Soviet sea
- Soviet sea
- Soviet sea: Var
- Soviet seaport
- Soviet seaport on the Black Sea
- Soviet seaport
- Soviet seaweed?
- Soviet secret police
- Soviet secret police chief
- Soviet secret police chief under Stalin
- Soviet secret police, 1922
- Soviet secret police, once
- Soviet secret service, 1922–34
- Soviet secret service, before 1935
- Soviet secret service
- Soviet security agcy
- Soviet space craft
- Soviet space dog
- Soviet space dog of 1957
- Soviet space outpost
- Soviet space probe
- Soviet space probers
- Soviet space program
- Soviet space station
- Soviet space station fragment?
- Soviet space station launched in 1986
- Soviet space vehicle
- Soviet space venture
- Soviet space-dog
- Soviet spacecraft
- Soviet spy agcy
- Soviet spy agcy in "Casino Royale"
- Soviet spy Aldrich
- Soviet spy org
- Soviet spy Rudolf
- Soviet spy Rudolf and actor Walter
- Soviet spymaster in a John le Carré trilogy
- Soviet state department
- Soviet states: Abbr
- Soviet station