| invariable(adjective, calm, quiet, strong, secure) |
| unchanging(adjective, calm, dull, smooth, right) |
| constant(adjective, calm, strong, secure, smooth) |
| uniform(adjective, calm, dull, quiet, strong) |
| regular(adjective, calm, quiet, smooth, right) |
| steady(adjective, calm, quiet, strong, secure) |
| unvaried(adjective, uniformity, continuance in action) |
| even(adjective, adverb, calm, quiet, strong) |
| fixed(adjective, dull, clear, firm, solid) |
| changeless(adjective, set, clear, smooth, firm) |
| consistent(adjective, calm, smooth, right, flat) |
| monotonous(adjective, dull, quiet, soft, gentle) |
| same(noun, adjective, smooth, right, like) |
| unchanged(adjective, dull, flat, boring, fixed) |
| equable(adjective, calm, quiet, strong, secure) |
| perpetual(adjective, steady, stable, regular, fixed) |
| stable(adjective, calm, quiet, smooth, right) |
| homogeneous(adjective, steady, stable, regular, fixed) |
| immutable(adjective, calm, strong, secure, firm) |
| permanent(adjective, calm, strong, secure, firm) |