| dependent(adjective, similar, subordinate, secondary, linked) |
| extension |
| germane(adjective, similar, linked, relevant, connected) |
| kindred(adjective, collateral, attendant, congeneric, relational) |
| latter-day(adjective, current, modern, stylish, up-to-date) |
| modern(adjective, new) |
| mutual(adjective, similar, linked, relevant, relative) |
| offshoot(noun, result, reaction, consequence, reverberation) |
| partner(noun, guide, associate, companion, friend) |
| pertinent(adjective, similar, linked, relevant, connected) |
| relevant(adjective, similar, linked, connected, associated) |
| satellite(adjective, subject, subordinate, contemporary, secondary) |
| side issue(noun, expression, result, reaction, consequence) |
| synchronal(adjective, present, subject, current, modern) |
| tie |
| accession |
| accomplice(noun, guide, associate, friend, mate) |
| accordant |
| acquaintance(noun, companion, friend, contemporary, mate) |
| addenda |