| unflinching(adjective, strong, flat, firm, certain) |
| unrelenting(adjective, certain, determined, persistent, reliable) |
| chronic(adjective, common, natural, usual, regular) |
| customary(adjective, reasonable, common, ordinary, usual) |
| diligent(adjective, determined, resolute, persevering) |
| prevailing(adjective, strong, reasonable, flat, certain) |
| recurrent(adjective, exact, ordinary, usual, steady) |
| set(adjective, calm, strong, secure, flat) |
| trusty(adjective, good, close, strong, correct) |
| assiduous(adjective, determined) |
| continuing(adjective, strong, firm, certain, determined) |
| dependable(adjective, good, close, strong, sound) |
| dogged(adjective, strong, firm, determined, steady) |
| nonstop(adjective, direct, continue, steady, regular) |
| popular(adjective, sound, honest, common, upright) |
| same(adjective, calm, change, smooth, right) |
| undeviating(adjective, strong, smooth, right, flat) |
| usual(adjective, reasonable, common, ordinary, regular) |
| dedicated(adjective, strong, kind, keen, firm) |
| equable(adjective, calm, quiet, strong, secure) |