| care for(expression, keep, maintain, secure, continue) |
| conserve(keep, maintain, secure, continue, sustain) |
| cure(keep, maintain, secure, continue, sustain) |
| defend(keep, maintain, secure, continue, sustain) |
| evaporate(keep, maintain, secure, continue, sustain) |
| guard(keep, maintain, secure, continue, sustain) |
| keep up(expression, keep, maintain, secure, continue) |
| mothball(keep, maintain, secure, continue, sustain) |
| mummify(keep, maintain, secure, continue, sustain) |
| perpetuate(keep, maintain, secure, continue, sustain) |
| pickle(keep, maintain, secure, continue, sustain) |
| process(keep, maintain, secure, continue, sustain) |
| protect(keep, maintain, secure, continue, sustain) |
| refrigerate(keep, maintain, secure, continue, sustain) |
| safeguard(keep, maintain, secure, continue, sustain) |
| season(keep, maintain, secure, continue, sustain) |
| shelter(keep, maintain, secure, continue, sustain) |
| shield(keep, maintain, secure, continue, sustain) |
| store(keep, maintain, secure, continue, sustain) |
| bottle(keep, maintain, secure, continue, sustain) |