| Congolese | Congolees |
| Congolese franc | Congolese frank |
| Congolese Party of Labour | Parti Congolais du Travail |
| Congosto | Congosto |
| congratulate | gelukwensen |
| congratulation | gelukwens |
| congratulations | felicitaties |
| congratulatory | feliciterend |
| congregate | samenkomen |
| Congregatio Immaculati Cordis Mariae | Congregatie van het Onbevlekt Hart van Maria |
| congregation | samenscholing |
| Congregation for Catholic Education | Congregatie voor de Katholieke Opvoeding |
| Congregation for Divine Worship and the Discipline of the Sacraments | Congregatie voor de Goddelijke Eredienst en de Regeling van de Sacramenten |
| Congregation for Institutes of Consecrated Life and Societies of Apostolic Life | Congregatie voor de Instituten van Gewijd Leven en Gezelschappen van Apostolisch Leven |
| Congregation for the Clergy | Congregatie voor de Clerus |
| Congregation for the Doctrine of the Faith | Congregatie voor de Geloofsleer |
| Congregation for the Evangelization of Peoples | Congregatie voor de Evangelisatie van de Volkeren |
| Congregation for the Oriental Churches | Congregatie voor de Oosterse Kerken |
| Congregation of Christian Brothers | Christelijke Broeders van Ierland |
| Congregation of Holy Cross | Congregatie van het Heilig Kruis |
| Congregation of Mary Immaculate Queen | Congregatie Maria Onbevlekte Koningin |
| Congregation of the Most Holy Redeemer | Redemptoristen |
| Congregation of the Sacred Hearts of Jesus and Mary | Picpus-paters |
| Congregation of Windesheim | Congregatie van Windesheim |
| congregational | congregationalistisch |
| Congregational church | Congegrationalisme |
| Congregationalist church governance | Congregationalisme |
| Congregationalist polity | Congegrationalisme |
| Congress | Congres |
| Congress of Arras | Vrede van Atrecht |
| Congress of Berlin | Congres van Berlijn |
| Congress of Chilpancingo | Congres van Chilpancingo |
| Congress of Mexico | Congres van de Unie |
| Congress of the Philippines | Filipijns Congres |
| Congress of Troppau | Congres van Troppau |
| Congress of Vienna | Congres van Wenen |
| Congress participant | Congressist |
| Congress Poland | Congres-Polen |
| congressional | congres- |
| congressman | parlementslid |
| congresswoman | parlementslid |
| Congridae | Zeepalingen |
| congruence | congruentie |
| congruent | congruent |
| congruity | overeenkomst |
| congruous | passend |
| Congé | Zeebrief |
| Coniacian | Coniacien |
| conic | kegelvormig |
| conic section | kegelsnede |
| conical | kegelvormig |
| Conical hill | Butte |
