31 entries under tunnel topic. ×

20
axle(noun, support, beam, stem, rotation)
15
spindle(noun, support, beam, shaft, rotation)
11
shaft(noun, support, shoot, stem, something)
7
pole(noun, support, beam, stem, rotation)
2
spear(beam, rod)
2
spire(noun, shoot, beam, stem)
1
column(noun, link, way, course, track)
0
arrow(beam, rod)
0
bar(beam, rod)
0
barb(noun, beam, rod, duct)
0
beam
0
chimney(noun, beam, rod, duct)
0
conduit(noun, beam, rod, duct)
0
cylinder(beam, rod)
0
diaphysis(noun, beam, rod, duct)
0
duct(noun, beam, rod, chimney)
0
flue(noun, beam, rod, duct)
0
handle(beam, rod)
0
helve(noun, beam, rod, duct)
0
hole(noun, beam, rod, duct)
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APASmart Define. (2015). axis thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/axis/thesaurus/synonyms
ChicagoSmart Define. 2015. "axis thesaurus" https://smartdefine.org/axis/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, axis thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/axis/thesaurus/synonyms>.
MLASmart Define. "axis thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/axis/thesaurus/synonyms>