30 entries under tunnel topic. ×
| pinnacle(noun, cover, top, point, heaven) | |
| column(noun, keep, beam, height, stronghold) | |
| pillar(noun, keep, beam, height, stronghold) | |
| obelisk(noun, keep, beam, peak, height) | |
| shaft(noun, shoot, stem, something) | |
| axis(noun, shoot, beam, stem) | |
| lance(noun, beam, spike, rod) | |
| pole(beam, rod) | |
| barb(noun, top, head, spur, tip) | |
| monolith(noun, keep, beam, stronghold, pillar) | |
| arrow(beam, rod) | |
| axle(noun, beam, rod, duct) | |
| bar(beam, rod) | |
| beam | |
| chimney(noun, beam, rod, duct) | |
| conduit(noun, beam, rod, duct) | |
| cylinder(beam, rod) | |
| diaphysis(noun, beam, rod, duct) | |
| duct(noun, beam, rod, chimney) | |
| flue(noun, beam, rod, duct) |
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| APA | Smart Define. (2015). spire thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/spire/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "spire thesaurus" https://smartdefine.org/spire/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, spire thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/spire/thesaurus/synonyms>. |
| MLA | Smart Define. "spire thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/spire/thesaurus/synonyms> |