50 entries under equal topic. ×

2
parallel(adjective, calm, direct, smooth, right)
2
polished(adjective, calm, quiet, smooth, soft)
2
rolled(adjective, calm, smooth, flat, plain)
2
stable(adjective, calm, quiet, direct, smooth)
1
akin(adjective, calm, smooth, flat, plain)
1
aligned(adjective, calm, smooth, flat, plain)
1
balanced(adjective, calm, direct, smooth, right)
1
commensurate(adjective, calm, smooth, flat, plain)
1
common(adjective, calm, smooth, flat, plain)
1
comparable(adjective, calm, smooth, flat, plain)
1
consistent(adjective, calm, direct, smooth, right)
1
equable(adjective, calm, quiet, smooth, soft)
1
equivalent(adjective, calm, smooth, flat, plain)
1
exact(adjective, calm, smooth, flat, plain)
1
identical(adjective, calm, smooth, flat, plain)
1
in line(expression, adjective, calm, smooth, flat)
1
leveled(adjective, calm, smooth, flat, plain)
1
like(adjective, calm, smooth, flat, plain)
1
lined up(expression, adjective, calm, smooth, flat)
1
matched(adjective, calm, smooth, flat, plain)
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APASmart Define. (2015). plane thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/plane/thesaurus/synonyms
ChicagoSmart Define. 2015. "plane thesaurus" https://smartdefine.org/plane/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, plane thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/plane/thesaurus/synonyms>.
MLASmart Define. "plane thesaurus" 24 October 2015. Web. 20 September 2026. <https://smartdefine.org/plane/thesaurus/synonyms>