| constant(adjective, calm, close, change, smooth) |
| unvarying(adjective, calm, dull, smooth, right) |
| changeless(adjective, change, severe, firm, harsh) |
| fixed(adjective, severe, firm, harsh, solid) |
| invariable(adjective, change, severe, firm, harsh) |
| permanent(adjective, firm, steady, stable, regular) |
| immutable(adjective, firm, steady, stable, regular) |
| uniform(adjective, calm, dull, smooth, right) |
| steady(adjective, calm, close, smooth, correct) |
| unchangeable(adjective, moderate, firm, solid, certain) |
| regular(adjective, calm, smooth, right, flat) |
| stable(adjective, calm, smooth, right, moderate) |
| unalterable(adjective, severe, firm, harsh, solid) |
| consistent(adjective, calm, change, smooth, right) |
| enduring(adjective, close, correct, firm, honest) |
| eternal(adjective, certain, steady, fixed, persistent) |
| firm(adjective, close, correct, moderate, severe) |
| perpetual(adjective, steady, stable, regular, fixed) |
| steadfast(adjective, close, correct, firm, honest) |
| everlasting(adjective, steady, stable, fixed, persistent) |