Motherrussia

1 clue
U.S.S.R., to Muscovites
Similar answers:
Alamothermostat
Amother
Amothers
Amotherto
Andmothergoose
Andsignsherselfmotherof
Atomheartmother
Behemotheruption
Bergamotheralded
Birthmother
Blackrussian
Blackrussians
Bonmother
Butasanymothercantell
Cainsmother
Carraramotherhood
Clothesmother
Comingmother
Cyprussia
Dairygodmother