2
notch
2
oak
2
parallel(adjective, calm, direct, smooth, right)
2
pare(verb, cut, reduce, diminish, curtail)
2
pas
2
period
2
pitch(noun, rise, point, level, quantity)
2
plaster(verb, smooth, crush, level, smash)
2
point(noun, level, quantity, amount, intensity)
2
polished(adjective, calm, quiet, smooth, soft)
2
prostrate(verb, adjective, smooth, crush, low)
2
ratio
2
rolled(adjective, calm, smooth, flat, plain)
2
round(noun, verb, clear, press, point)
2
rung
2
sand(verb, clear, press, smooth, level)
2
serene(adjective, quiet, soft, gentle, flat)
2
sleek(verb, adjective, quiet, clear, press)
2
smooth out(verb, expression, press, level, flatten)
2
soft(adjective, quiet, gentle, flat, level)
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APASmart Define. (2015). plane thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/plane/thesaurus/synonyms
ChicagoSmart Define. 2015. "plane thesaurus" https://smartdefine.org/plane/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, plane thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/plane/thesaurus/synonyms>.
MLASmart Define. "plane thesaurus" 24 October 2015. Web. 21 September 2026. <https://smartdefine.org/plane/thesaurus/synonyms>