| minor(adjective, inferior, insignificant, unimportant, subordinate) |
| pay back(expression, change, shift, reverse, trade) |
| pinch-hitter(noun, replacement, alternative, backup, surrogate) |
| procurator(noun, supply, agent, replacement, alternative) |
| return(verb, move, change, push, twist) |
| return the compliment(expression, idiom, change, shift, reverse) |
| rock(verb, move, drive, run, pass) |
| serial |
| short-term(adjective, temporary) |
| spell(verb, cover, exchange, substitute, switch) |
| standby(cover, supply, reserve, extra, replacement) |
| subordinate(adjective, inferior, subject, minor, collateral) |
| succedaneum(noun, supply, agent, replacement, alternative) |
| succeed |
| swerve(verb, move, stop, change, push) |
| tremble(verb, throb, changeableness, drum, oscillate) |
| vibrate(verb, change, alter, swing, sway) |
| zigzag(verb, move, change, push, return) |
| additional(adjective, extra, auxiliary, supernumerary) |
| aim(verb, move, change, push, return) |