| reserve(noun, adjective, cover, lower, inferior) |
| secondary(adjective, inferior, reserve, minor, subordinate) |
| sway(verb, move, change, push, return) |
| teeter(verb, waver) |
| trade(verb, change, shift, reverse, exchange) |
| undulate(verb, move, drive, run, pass) |
| agent(noun, supply, agent, substitute, replacement) |
| auxiliary(noun, inferior, insignificant, reserve, minor) |
| commute(verb, change, cover, reduce, turn) |
| lieutenant(noun, agent, substitute, deputy) |
| other(adjective, counterfeit, near, reserve, extra) |
| provisional(adjective, present, short, limited, brief) |
| pulsate(verb, evolution, throb, drum, oscillate) |
| swap(verb, change, cover, shift, reverse) |
| swing(verb, move, change, push, return) |
| tack(verb, move, change, push, return) |
| totter(verb, changeableness, oscillate) |
| acting(adjective, present, short, limited, brief) |
| alter(verb, move, change, reduce, turn) |
| ancillary(adjective, inferior, extra, minor, subordinate) |