| ordered(adjective, exact, regular, precise, neat) |
| orderly(adjective, exact, regular, precise, neat) |
| ordinary(usual, normal, universal, general, principal) |
| orthodox(adjective, usual, normal, conventional, accepted) |
| painstaking(adjective, exact, careful, regular, neat) |
| picky |
| poignant(adjective, severe, harsh, stiff, rigid) |
| popular(usual, normal, main, accepted, traditional) |
| powerful(adjective, severe, harsh, stiff, rigid) |
| proceeding(noun, style, rule, practice, system) |
| process(noun, style, rule, practice, system) |
| proper(adjective, sound, correct, right, modest) |
| punctilious(sound, correct, right, proper, stiff) |
| recognized(sound, correct, right, proper, usual) |
| regular(adjective, exact, common, ordinary, usual) |
| regulation(noun, adjective, style, rule, system) |
| rite(noun, style, rule, practice, system) |
| ritual(noun, style, rule, practice, system) |
| ropes(noun, style, rule, practice, system) |
| rough(adjective, severe, harsh, stiff, rigid) |