26 entries under noun topic. ×
| cavity | |
| hatch | |
| orifice | |
| mouth | |
| access | |
| admission | |
| admittance | |
| aperture | |
| beginning | |
| breach | |
| chimney | |
| crack | |
| crevice | |
| doorway | |
| entrance | |
| entry | |
| entryway | |
| fissure | |
| gap | |
| hatchway |
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| APA | Smart Define. (2015). manhole thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/manhole/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "manhole thesaurus" https://smartdefine.org/manhole/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, manhole thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/manhole/thesaurus/synonyms>. |
| MLA | Smart Define. "manhole thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/manhole/thesaurus/synonyms> |