sub rosa /sub rōˈzə or sŭb roˈzä/

1. Literally, under the rose (a traditional symbol of secrecy)
2. Hence, privately, confidentially

• south-west-by-south
• south-west-by-west
• south-wester
• south-westerlies
• south-westerly
• south-western
• south-westers
• south-westward
• south-westwardly
• south-westwards
• souvenir
• souvenired
• souveniring
• souvenirs
• souvlaki
• souvlakia
• sou'-west
• sou'wester
• sou'westers
• sov
• sovenance
• sovenances
• sovereign
• sovereign debt
• sovereign debts