| shingled |
| sound(adjective, strong, hard, substantial, sturdy) |
| stable(adjective, strong, hard, true, substantial) |
| stannic(adjective, mineral, steel, metal, golden) |
| staunch(adjective, true, reliable, trustworthy, loyal) |
| steadfast(adjective, true, reliable, trustworthy, loyal) |
| steady(adjective, difficult, true, troubled, reliable) |
| strong(adjective, hard, firm, substantial, stiff) |
| sturdy(adjective, strong, hard, true, substantial) |
| thick(adjective, strong, hard, firm, substantial) |
| tinny(adjective, mineral, steel, metal, golden) |
| to be counted on(expression, adjective, true, reliable, trustworthy) |
| tried(adjective, true, reliable, trustworthy, loyal) |
| tried-and-true(adjective, true, reliable, trustworthy, loyal) |
| trustworthy(adjective, solid, true, reliable, loyal) |
| trusty(adjective, true, reliable, trustworthy, loyal) |
| uncompromising |
| unfailing(adjective, true, reliable, trustworthy, loyal) |
| unshakable(adjective, strong, hard, substantial, sturdy) |
| aper |