| cloud(noun, set, meet, press, group) |
| cluster(noun, set, meet, press, group) |
| clutch(noun, set, body, group, arrangement) |
| cohort |
| collective noun |
| colony(noun, crew) |
| combine(noun, organization, business, company, set) |
| concourse(noun, set, meet, press, group) |
| condition(noun, company, place, position, circle) |
| confederation(body, group, society, association, alliance) |
| confluence(noun, set, meet, press, group) |
| conflux(noun, set, meet, press, group) |
| congeries(noun, set, meet, press, group) |
| connection(noun, organization, business, company, place) |
| consortium(set, body, group, society, association) |
| conspirators |
| convention(noun, set, group, crowd, government) |
| corporation(noun, organization, business, company, body) |
| crush(noun, set, meet, press, group) |
| cultural level(noun, expression, company, place, position) |