83 entries under noun topic. ×

1
stem
1
vent(break, cut, crack, opening)
0
Chunnel
0
axis(beam, rod, duct, chimney)
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axle(beam, rod, duct, chimney)
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barb(beam, rod, duct, chimney)
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column(beam, rod, duct, chimney)
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crack
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crater
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cut
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diaphysis(beam, rod, duct, chimney)
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helve(beam, rod, duct, chimney)
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hideaway(hole, warren)
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monolith(beam, rod, duct, chimney)
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obelisk(beam, rod, duct, chimney)
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pillar(beam, rod, duct, chimney)
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pinnacle(beam, rod, duct, chimney)
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pocket
0
sett(hole, warren)
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spindle(beam, rod, duct, chimney)
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APASmart Define. (2015). tunnel thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/tunnel/thesaurus/synonyms
ChicagoSmart Define. 2015. "tunnel thesaurus" https://smartdefine.org/tunnel/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, tunnel thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/tunnel/thesaurus/synonyms>.
MLASmart Define. "tunnel thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/tunnel/thesaurus/synonyms>