Proto-Germanic *rustaz

→ English rust (inherited)

→ English Rust (derived)

→ Danish rust (derived)

→ German Rost (inherited)

→ Middle English rust (inherited)

→ Finnish ruoste (derived)

→ Faroese roysningur (inherited)

→ Westrobothnian rosk (derived)

→ Hunsrik Rost (inherited)

→ Icelandic rostungur (inherited)

→ Icelandic ryð (derived)

→ Luxembourgish Rascht (derived)

→ Translingual Rosmarus (derived)

→ Dutch roest (derived)

→ Norwegian Nynorsk rust (derived)

→ Livvi ruoste (derived)

→ Swedish rost (inherited)