80 entries under uniform topic. ×

2
continuous(adjective, calm, direct, smooth, right)
2
flush(adjective, calm, direct, smooth, right)
2
horizontal(adjective, calm, direct, smooth, right)
2
level(adjective, direct, smooth, right, like)
2
of a piece(expression, adjective, idiom, even)
2
planate(adjective, calm, direct, smooth, right)
2
plane(adjective, calm, direct, smooth, right)
2
straight(adjective, calm, direct, smooth, right)
1
accordant(adjective, sweet, agreeable, sympathetic, suitable)
1
agreeable(adjective, sweet, peaceful, cordial, even)
1
aligned(adjective, calm, smooth, flat, plain)
1
calm(adjective, smooth, flat, plain, level)
1
coequal(adjective, level, exact, equal, even)
1
common(adjective, calm, smooth, flat, plain)
1
congenial(adjective, close, like, sweet, agreeable)
1
congruous(adjective, like, sweet, agreeable, sympathetic)
1
constant(adjective, calm, smooth, right, flat)
1
coterminous(adjective, level, exact, equal, even)
1
equable(adjective, calm, smooth, flat, level)
1
exact(adjective, calm, smooth, flat, level)
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APASmart Define. (2015). matching thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/matching/thesaurus/synonyms
ChicagoSmart Define. 2015. "matching thesaurus" https://smartdefine.org/matching/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, matching thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/matching/thesaurus/synonyms>.
MLASmart Define. "matching thesaurus" 23 December 2015. Web. 24 September 2026. <https://smartdefine.org/matching/thesaurus/synonyms>