Sewer
Tunnel
Mutual synonyms
Both words in one sentence
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And possibly Derek's wards, the people who live in the sewer/tunnel systems.
Source: Freaky Is Cool -
Later, Spider-Man traps the Rhino in a steam-tunnel created from ruptured sewer pipes.
Source: Absurdly Spacious Sewer -
While not a sewer, and certainly not as extensive as the other examples on this page, Quebec city's Laval University has built a tunnel system under it's campus to link every buildings.
Source: Absurdly Spacious Sewer
Cite this Source
Tunnel and Sewer. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/sewer/tunnel
Sewer & Tunnel. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/sewer/tunnel>.
Tunnel or Sewer. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/sewer/tunnel.
Google Ngram Viewer shows how "sewer" and "tunnel" have occurred on timeline