| evidence(noun, verb, expression, feature, support) |
| firm(adjective, characteristic, strain, firmness, labour) |
| strong(adjective, strain, firmness, labour, hardiness) |
| hard(adjective, strain, firmness, labour, hardness) |
| stable(adjective, strain, firmness, labour, hardiness) |
| sound(adjective, calm, strain, restrained, short) |
| stiff(adjective, strain, firmness, labour, hardness) |
| resistant(adjective, strain, resist, firmness, labour) |
| trial(noun, expression, action, study, understanding) |
| tight(adjective, strain, firmness, labour, hardiness) |
| substantiation(noun, support, check, information, mark) |
| immune(adjective, strain, resist, firmness, labour) |
| impregnable(adjective, strain, firmness, labour, hardiness) |
| steadfast(adjective, characteristic, strain, firmness, labour) |
| steady(adjective, calm, strain, restrained, firmness) |
| fact(noun, measure, test, truth, standard) |
| demonstration(noun, appearance, information, mark, cause) |
| fast(adjective, strain, firmness, labour, hardiness) |
| resilient(adjective, strain, firmness, labour, hardiness) |
| resist(adjective, strain, firmness, labour, hardiness) |