| Portuguese_3.0 | Catalan_3.0 | German_3.0 | English_3.0 | Basque_3.0 | French_3.0 | Galician_3.0 | Spanish_3.0 | |
|---|---|---|---|---|---|---|---|---|
| infalível | unfehlbar | infallible | infaillible | infalible, infalíbel | infalible | |||
| inerrable, inerrant, unerring | infalible, infalíbel | infalible | ||||||
| seguro | infal·lible, segur | foolproof, unfailing | certero, infalible, seguro | |||||
| fail-safe | infalible |