Proto-Germanic *reukaną

→ English reek (inherited)

→ Old English reocan (inherited)

→ Danish ryge (derived)

→ German riechen (inherited)

→ Middle Dutch ruken (inherited)

→ Faroese rúka (derived)

→ Westrobothnian ruuk (inherited)

→ Old Swedish riuka (inherited)

→ Icelandic rjúka (inherited)

→ Latin rumen (cognate)

→ Luxembourgish richen (inherited)

→ Low German rüken (inherited)

→ Dutch ruiken (inherited)

→ Dutch rieken (inherited)

→ Old Norse rjúka (inherited)

→ Old Dutch riecan (inherited)

→ Swedish ryka (inherited)