| eternal(adjective, certain, pause, steady, stable) |
| fast(adjective, calm, close, strong, secure) |
| lingering(verb, adjective, great, strain, deep) |
| settled(adjective, strong, strain, flat, firm) |
| stout(adjective, calm, strong, sound, secure) |
| tolerant(adjective, quiet, gentle, strain, firmness) |
| unalterable(adjective, calm, strong, secure, strain) |
| sustained(adjective, great, strain, deep, high) |
| unyielding(adjective, strong, sound, tough, strain) |
| everlasting(adjective, steady, stable, fixed, persistent) |
| quiescent(adjective, quiet, gentle, strain, flat) |
| rigid(adjective, strain, firm, fixed, stiff) |
| stationary(adjective, strain, firmness, labour, hardiness) |
| substantial(adjective, calm, strong, sound, secure) |
| endurant(adjective, strain, firmness, labour, hardiness) |
| resistant(adjective, strain, firmness, labour, hardiness) |
| robust(adjective, strong, sound, tough, strain) |
| stabile(adjective, calm, strong, secure, strain) |
| tight(adjective, close, strain, firmness, labour) |
| fixed(adjective, strong, sound, tough, flat) |