| attendant(noun, adjective, person, present, guide) |
| accompanying(adjective, present, current, modern, similar) |
| concurrent(adjective, current, up-to-date, secondary, attendant) |
| coincident(adjective, present, new, current, modern) |
| contemporaneous(adjective, contemporary, attendant, accompanying, contributing) |
| accompaniment(noun, person, part, guide, associate) |
| connected(adjective, present, current, modern, similar) |
| fellow(noun, adjective, associate, friend, attendant) |
| incidental(adjective, minor, related) |
| joint(adjective, similar, attendant, related, linked) |
| simultaneous(adjective, current, modern, up-to-date, contemporary) |
| synchronous(adjective, current, modern, up-to-date, contemporary) |
| accessory(noun, adjective, subordinate, collateral, additional) |
| co-morbid |
| coeval(adjective, accompanying, contributing, synchronism, simultaneous) |
| coexistent(adjective, current, modern, up-to-date, contemporary) |
| collateral(adjective, subject, subordinate, contemporary, additional) |
| companion(noun, person, associate, friend, contemporary) |
| contemporary(noun, adjective, current, modern, companion) |
| associated(adjective, present, current, modern, similar) |