| alternate(noun, verb, adjective, person, change) |
| replace(verb, move, change, cover, remove) |
| surrogate(noun, adjective, person, agent, representative) |
| replacement(noun, adjective, person, reserve, extra) |
| alternative(noun, adjective, conjunction, uncertainty, spare) |
| proxy(noun, verb, adjective, exchange, agent) |
| stand-in(noun, adjective, person, cover, model) |
| backup(noun, adjective, agent, representative, alternative) |
| delegate(noun, verb, agent, representative, assistant) |
| deputy(noun, agent, representative, assistant, someone) |
| switch(verb, move, change, give, cover) |
| second(noun, verb, adjective, extra, agent) |
| supplant(verb, change, cover, follow, alter) |
| double(noun, cover, reserve, alternative, someone) |
| understudy(noun, cover, reserve, replacement, someone) |
| representative(noun, adjective, agent, alternative, assistant) |
| sub(noun, verb, phrasal verb, person, change) |
| change(verb, move, change, give, cover) |
| makeshift(noun, adjective, support, help, ability) |
| ersatz(adjective, fake, informal, false, counterfeit) |