Open prison
Pen and open prison are semantically related. In some cases you can use "Pen" instead a noun phrase "Open prison".
Pen
Pen noun - A place of confinement for persons held in lawful custody.
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Synonyms for Pen
Open prison and pen are semantically related. Sometimes you can use "Open prison" instead a noun "Pen".
Nearby Word: penholder
Mutual synonyms
Cite this Source
Pen and Open prison. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/open_prison/pen
Open prison & Pen. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/open_prison/pen>.
Pen or Open prison. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/open_prison/pen.
Google Ngram Viewer shows how "open prison" and "pen" have occurred on timeline