Similar to coadunati
- coadunatio – a gathering together, a summing up, a uniting
- coaduno – to collect
- coacervo – to collect in a mass
- cohors – 10 of a legion, a yard, enclosure, troop
- copia – abundamce, abundant supply, fruitful and abundant supply, supply
- comitatus – accompanied, following, retinue, train, war band
- copula – bond