| polished(adjective, calm, quiet, smooth, soft) |
| precise(adjective, calm, smooth, flat, plain) |
| proportionate(adjective, calm, smooth, flat, plain) |
| quiet(adjective, soft, gentle, flat, level) |
| rhythmic(adjective, quiet, soft, gentle, flat) |
| rippleless(adjective, quiet, soft, gentle, flat) |
| rolled(adjective, calm, smooth, flat, plain) |
| same(adjective, calm, direct, smooth, right) |
| serene(adjective, quiet, soft, gentle, flat) |
| shaven(adjective, quiet, soft, gentle, flat) |
| shiny(adjective, quiet, soft, gentle, flat) |
| silky(adjective, quiet, soft, gentle, flat) |
| sleek(adjective, quiet, soft, gentle, flat) |
| soft(adjective, quiet, gentle, flat, level) |
| soothing(adjective, quiet, soft, gentle, flat) |
| square(adjective, direct, smooth, right, flat) |
| still(adjective, quiet, soft, gentle, flat) |
| tranquil(adjective, quiet, soft, gentle, flat) |
| trim(adjective, calm, smooth, flat, plain) |
| trimmed(adjective, calm, smooth, flat, plain) |