| Angol | Olasz |
|---|---|
| Jacob (male given name (the standard form)) proper noun [UK: ˈdʒeɪkəb] [US: ˈdʒeɪkəb] | Giacomoproper noun Jacopoproper noun |
| Jacob (one of the sons of Isaac and Rebecca) proper noun [UK: ˈdʒeɪkəb] [US: ˈdʒeɪkəb] | Giacobbeproper noun |
| Jacobi identity (property of a binary operation) noun | identità di Jacobinoun |
| Jacobin (breed of domestic pigeon) noun [UK: ˈdʒæk.ə.bɪn] [US: ˈdʒæk.ə.bən] | colombo cappuccinonoun colombo cappuccionoun |
| Jacobite (supporter of the restoration of the Stuart kings) noun [UK: ˈdʒæk.ə.baɪt] [US: ˈdʒæk.ə.ˌbaɪt] | giacobitanoun |