Proto-Germanic *sakō

→ English sake (inherited)

→ Old English sacu (inherited)

→ Danish sag (derived)

→ Danish årsag (mention)

→ German Sache (inherited)

→ Middle Dutch sake (inherited)

→ Finnish sakko (derived)

→ Westrobothnian sak (derived)

→ Icelandic sök (derived)

→ Luxembourgish Saach (derived)

→ Dutch zaak (inherited)

→ Old Norse sǫk (derived)

→ Portuguese sacar (mention)

→ Saterland Frisian Seeke (derived)

→ Swedish sak (derived)

→ Yiddish זאַך (inherited)