| pure(adjective, plain, true, straightforward, straight) |
| rigid(adjective, correct, moderate, solid, exact) |
| severe(adjective, close, hard, correct, solid) |
| specific(noun, adjective, correct, solid, perfect) |
| undisguised(adjective, manifestation) |
| unerring(adjective, correct, honest, solid, perfect) |
| unfeigned(adjective, open, honest, true, straight) |
| unimaginative(adjective, simple, rational, straightforward, down-to-earth) |
| valid(adjective, correct, true, real, realistic) |
| abecedarian |
| alphabetical |
| bald(adjective, cold, unadorned) |
| boring(adjective, simple, flat, clean, plain) |
| candid(open, honest, plain, true, straightforward) |
| concrete(adjective, close, correct, solid, exact) |
| conventional(adjective, unoriginal) |
| critical(adjective, exact, real, word, fastidious) |
| delicate(adjective, truth, fastidious) |
| down-to-earth(rational, straightforward) |
| dull(simple, rational, straightforward, down-to-earth, matter-of-fact) |