| CREDENCE | acceptance as true, belief / WIARA |
| CREDENTIALS | documents that cause other to believe in one / KWALIFIKACJE, REFERENCJE |
| CREDIBILITY | trustworthiness / WIARYGODNOŚĆ |
| CREDIBLE | belivable / WIARYGODNY |
| CREDIT | trust (finansial credit); a source of honour (credit to one's family) / KREDYT/ UZNANIE |
| CREDULITY | tendency to believe readily; gullibility / ŁATWOWIERNOŚĆ |
| CREDULOUS | believing to readily ; gullible / ŁATWOWIERNY |
| CREED | a formal statement of religion/ WYZNANIE WIARY |
| DISCREDIT | not to believe; to distrust; to destroy belief / KOMPROMITOWAĆ, NIEUFNOŚĆ |
| INCREDIBLE | unbelivable / NIEWIARYGODNY, NIEPRAWDOPODOBNY |
| INCREDULITY | tendency not to believe readily; skepticism / NIEDOWIERZANIE |
| INCREDULOUS | not believing readily ; disbelieving / NIEDOWIERZAJĄCY |
| MISCREANT | orginally; unbeliever in religion; evildoer/criminal / NIKCZEMNIEC, ŁOTR |