| BONA FIDE | IN GOOD FAITH, GENUINE / PRAWDZIWY, AUTENTYCZNY |
| CONFIDANT | A PERSON ONE HAS FAITH IN OR ONE CONFIDES IN / POWIERNIK, ZAUSZNIK |
| CONFIDE | TO SHOW FAITH BY SHARING SECRETS / ZWIERZAĆ SIĘ |
| CONFIDENT | HAVING FAITH IN ONESELF, SELF-ASSURED / PEWNY SIEBIE |
| CONFIDENTIAL | MARKED BY INTIMACY OR WILLINGNESS TO CONFIDE / POUFNE |
| DIFFIDENT | NOT HAVING FAITH IN ONESELF, SHY / NIEŚMIAŁY, NIEPEWNY SIEBIE |
| FIDELITY | FAITHFULNESS / WIERNOŚĆ |
| INFIDEL | A PERSON WHO DOES NOT BELIEVE IN A PARTICULAR RELIGION / NIEWIERNY |
| INFIDELITY | UNFAITHFULNESS, ESPECIALLY IN MARRIAGE / NIEWIERNOŚĆ |
| PERFIDIOUS | TREACHEROUS, DECEIVING THROUGH A PRETENSE OF FAITH / ZDRADZIECKI, WIAROŁOMNY, ZDRADLIWY |
| AFFIDAVIT | OŚWIADCZENIE |