58 entries under opening topic. ×

4
thoroughfare(noun, progress, line, way, course)
3
aperture(noun, break, passage, vent)
3
spout(noun, break, drain, passage)
3
vent(noun, break, shaft, passage)
2
access(noun, progress, line, way, course)
2
break(noun, spread, carry, communicate)
2
entrance(noun, sound, progress, line, way)
2
flue(noun, pipe)
2
gallery
2
mine(noun, verb, turn, produce, clean)
2
pathway(noun, progress, line, way, course)
2
shaft(noun, line, course, hole)
2
tap
1
adjutage
1
admission(noun, progress, line, course)
1
ajutage
1
chimney(noun, shaft, vent, pipe)
1
entry(noun, progress, line, way, course)
1
pit(noun, verb, remove, turn, produce)
1
space(noun, progress, line, course)
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APASmart Define. (2015). channel thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/channel/thesaurus/synonyms
ChicagoSmart Define. 2015. "channel thesaurus" https://smartdefine.org/channel/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, channel thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/channel/thesaurus/synonyms>.
MLASmart Define. "channel thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/channel/thesaurus/synonyms>