| parallel(adjective, side, subordinate, secondary, interchangeable) |
| pendant |
| pertaining to(expression, adjective, appropriate, important, proper) |
| poignant(adjective, appropriate) |
| reasonable(adjective, appropriate) |
| reckoning(determined, subject, susceptible, contingent, conditional) |
| referring(important, significant, consistent, compatible, applicable) |
| reinforcement |
| related(adjective, appropriate, important, proper, determined) |
| reliant(adjective, susceptible, dependent, contingent, conditional) |
| right(adjective, appropriate) |
| satellite(subject, subordinate, collateral, secondary, subsidiary) |
| seasonable(adjective, appropriate) |
| second-fiddle(adjective, lower, subject, collateral, subsidiary) |
| second-string(adjective, lower, subject, collateral, subsidiary) |
| shooter(adjective, lower, subject, collateral, subsidiary) |
| side effect |
| side issue |
| significant(important, consistent, applicable, germane, pertinent) |
| subject(determined, minor, helpful, collateral, secondary) |