Portuguese_3.0 Catalan_3.0 German_3.0 English_3.0 Basque_3.0 French_3.0 Galician_3.0 Spanish_3.0
      unfailing       inagotable
seguro infal·lible, segur   foolproof, unfailing       certero, infalible, seguro
      unfailing, unflagging       inalterable