| periodic(adjective, regular, habitual) |
| piece(noun, activity, act, part, show) |
| prevailing(adjective, simple, common, ordinary, regular) |
| reflex(unconscious, habitual, involuntary) |
| subprogram |
| systematic |
| undistinguished(adjective, good, ordinary, familiar, usual) |
| unvaried(adjective, dull, stupid, ordinary, familiar) |
| unvarying |
| accepted(adjective, simple, common, ordinary, usual) |
| beat |
| businesslike(adjective, efficient, professional) |
| constant(adjective, regular, normal, persistent, customary) |
| grind(noun, adjective, form, activity, characteristic) |
| jejune(adjective, dull, set, flat, silly) |
| lifestyle(noun, habit, existence) |
| mainstream(adjective, characteristic, quality, common, ordinary) |
| monotony(noun, dullness, tedium, uniformity, regularity) |
| part(noun, business, division) |
| prevalent(adjective, simple, ordinary, usual, regular) |