206 entries under noun topic. ×

34
level(verb, adjective, activity, feature)
26
flat(verb, adjective, calm, quiet)
17
flush(verb, adjective, calm, quiet)
15
airplane(transport, vessel, journey, vehicle)
13
horizontal(adjective, calm, quiet, direct)
12
surface(verb, adjective, part, smooth)
9
aeroplane
9
grade(verb, clear, press, smooth)
9
plain(adjective, calm, quiet, smooth)
9
stratum(position, view, level, face)
8
planer
7
aircraft(transport, vessel, vehicle, ship)
7
craft(vessel, water, vehicle, ship)
7
face(activity, feature, position, top)
6
degree(position, point, level, face)
6
elevation(position, rise, level, incline)
5
facet(feature, position, top, issue)
5
jointer
5
rank(position, point, level, quantity)
5
ship(vessel, vehicle, aircraft)
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APASmart Define. (2015). plane thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/plane/thesaurus/synonyms
ChicagoSmart Define. 2015. "plane thesaurus" https://smartdefine.org/plane/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, plane thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/plane/thesaurus/synonyms>.
MLASmart Define. "plane thesaurus" 24 October 2015. Web. 25 September 2026. <https://smartdefine.org/plane/thesaurus/synonyms>