Proto-Germanic *rutāną

→ English rotten (derived)

→ English rot (inherited)

→ Old English rotian (inherited)

→ Catalan ròssa (link)

→ German rotten (derived)

→ Middle English roten (inherited)

→ Icelandic rotna (inherited)

→ Dutch rotten (inherited)

→ Old Norse rotinn (derived)

→ Old Frisian rotia (inherited)