Arch and Portal

Arch

Arch noun - Something that curves or is curved.

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Portal and arch are semantically related. In some cases you can use "Portal" instead a noun "Arch".

Nearby Words: arc, arched, archer, arching, archway

Portal noun - A barrier by which an entry is closed and opened.

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Arch and portal are semantically related. Sometimes you can use "Arch" instead a noun "Portal".

similar	similar arch	similar portal
complete	complete arch	complete portal
regular	regular arch	regular portal
small	small arch	small portal
Other adjectives: big, evil, personal, new, major, next, last, giant, magical.

Cool Gate: Sigil is called "the City of Doors" for a reason: every single arch or similarly limited passageway may be a portal to somewhere—provided you hold the proper key.

Source: Video Game / Planescape: Torment
Any enclosed area (arch, doorway, barrel opening, two broomsticks leaning on each other) can be a portal.

Source: Paranoia Fuel / Tabletop Games
While the Arch to Earth is no longer functional, they hope that one of the new "arrivals" will act as a key to activate the portal.

Source: Earth That Was

Cite this Source

Portal and Arch. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/arch/portal

Arch & Portal. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/arch/portal>.

Portal or Arch. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/arch/portal.

Google Ngram Viewer shows how "arch" and "portal" have occurred on timeline