100 entries under noun topic. ×

24
bend(verb, move, turn, twist)
18
curve(verb, move, turn, line)
17
bow(verb, turn, twist, structure)
12
round(verb, adverb, turn, twist)
12
head(adjective, order, top, lead)
11
arc(verb, turn, twist, structure)
11
curvature(part, turn, twist, structure)
10
archway(structure, curve, arc)
10
crook(verb, move, turn, twist)
9
vault(verb, cover, structure, loop)
8
hunch(verb, bend, direction, incline)
8
span(verb, cover, cross, structure)
8
dome(part, structure, curve, architecture)
7
bridge(verb, cover, cross, structure)
7
loop(verb, turn, twist, bend)
6
sweep(verb, turn, bend, bow)
5
arcade(vault, curvature, roof)
5
cupola(vault, convexity, roof)
5
curl(verb, twist, bend, circle)
4
circle(turn, twist, bend, bow)
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APASmart Define. (2015). arch thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/arch/thesaurus/synonyms
ChicagoSmart Define. 2015. "arch thesaurus" https://smartdefine.org/arch/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, arch thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/arch/thesaurus/synonyms>.
MLASmart Define. "arch thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/arch/thesaurus/synonyms>