Old English sūþ

→ English south (inherited)

→ English Suffolk (compound)

→ English Southey (inherited)

→ English Sutcliffe (derived)

→ English Sudlow (derived)

→ Middle English south (inherited)

→ Middle English Southwerk (mention)

→ Old Norse suðr (cognate)

→ Norman su (derived)

→ Norman sud (derived)

→ Old Frisian suth (cognate)

→ Portuguese sul (derived)

→ Scots sooth (inherited)

→ Yola zouth (inherited)