Latin tonāre

→ Catalan tronar (inherited)

→ Dalmatian tonur (inherited)

→ Spanish tronar (inherited)

→ French tonner (inherited)

→ Friulian tonâ (inherited)

→ Galician toar (inherited)

→ Italian tuonare (inherited)

→ Latin tonitrus (mention)

→ Latin tonitruum (mention)

→ Occitan tronar (inherited)

→ Portuguese troar (inherited)

→ Romanian tuna (inherited)

→ Russian торнадо (derived)