| gradual(adjective, gradual, slowly, evenly) |
| lay(verb, calm, quiet, clear, press) |
| like(adjective, calm, smooth, flat, level) |
| match(verb, smooth, level, adjust, balance) |
| measured(adjective, calm, quiet, soft, reasonable) |
| methodical(adjective, calm, smooth, ordinary, usual) |
| on a par(expression, adjective, idiom, calm, smooth) |
| ordered(adjective, ordinary, usual, normal, rigid) |
| precise(adjective, calm, smooth, flat, plain) |
| precisely(adverb, precise, same) |
| straightforward(adjective, smooth, honest, solid, level) |
| symmetric |
| unbiased(adjective, honest, fair, straight, genuine) |
| unchangeable(adjective, calm, strong, secure, firm) |
| well-balanced(adjective, calm, reliable, unchanging, orderly) |
| albeit(conjunction, also, besides, despite, however) |
| also(adverb, part of speech) |
| comparable(adjective, calm, smooth, like, flat) |
| consonant(adjective, like, ordinary, usual, steady) |
| coordinate |