| expediency(substitute, replacement, alternative, alternate, backup) |
| expedient(substitute, replacement, alternative, alternate, backup) |
| fake |
| ghost writer(expression, replacement, alternative, alternate, backup) |
| lieutenant(noun, substitute) |
| locum(noun, substitute, replacement, alternative, alternate) |
| locum tenens(expression, replacement, alternative, alternate, backup) |
| metaphor |
| personnel |
| phony |
| pinch-hitter(reserve, replacement, alternative, alternate, backup) |
| procurator(replacement, alternative, alternate, backup, surrogate) |
| recourse(substitute, replacement, alternative, alternate, backup) |
| refuge(substitute, replacement, alternative, alternate, backup) |
| relay(replacement, alternative, alternate, backup, surrogate) |
| reserve(noun, cover, substitute, replacement, alternative) |
| reserves |
| resort(substitute, replacement, alternative, alternate, backup) |
| resource(reserve, substitute, replacement, alternative, alternate) |
| ringer |