| brittle(adjective, hard, firm, solid, tense) |
| buckram(adjective, hard, firm, solid, tense) |
| caked(verb, adjective, set, solid, heavy) |
| cemented(adjective, hard, firm, solid, tense) |
| chilled(adjective, hard, firm, solid, tense) |
| clabbered(adjective, set, solid, heavy, deep) |
| clammy |
| close(adjective, set, hard, tough, solid) |
| close-grained(adjective, hard, tough, solid, rigid) |
| cohered |
| coifed |
| collected |
| compact(adjective, set, hard, tough, solid) |
| compressed(adjective, set, hard, tough, solid) |
| concentrated(verb, adjective, set, hard, tough) |
| concrete(adjective, set, hard, tough, solid) |
| condensed(verb, adjective, set, hard, tough) |
| consolidated(verb, adjective, set, solid, heavy) |
| contracted(adjective, hard, firm, solid, tense) |
| creaky(adjective, hard, firm, solid, tense) |