| substitute(noun, adjective, support, cover, ability) |
| reservoir(noun, mass, store, account, supply) |
| taciturnity(noun, calm, quiet, speech, restraint) |
| fund(noun, reservoir, mass, store, account) |
| sanctuary(noun, area, preserve, shelter, hole) |
| auxiliary(noun, adjective, support, increase, lower) |
| backup(noun, adjective, support, increase, lower) |
| conserve(verb, hold, control, place, keep) |
| hold back(verb, expression, phrasal verb, hold, control) |
| modesty(noun, control, shame, restraint, doubt) |
| nest egg(noun, expression, idiom, support, ability) |
| self-restraint(noun, control, command, restraint, silence) |
| spare(noun, verb, adjective, support, keep) |
| constraint(noun, control, command, shame, restraint) |
| extra(noun, adjective, support, lower, spare) |
| backlog(noun, mass, store, account, supply) |
| earmark(verb, assign, allot, allocate, fate) |
| put aside(verb, expression, phrasal verb, separate, keep) |
| resources(noun, note, money, store, supply) |
| savings(noun, note, reservoir, money, store) |