Open up
Open up verb - Cause to open or to become open.
Plug
Plug verb - To close up so that no empty spaces remain.
Cite this Source
Plug and Open up. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/open_up/plug
Open up & Plug. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/open_up/plug>.
Plug or Open up. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/open_up/plug.
Google Ngram Viewer shows how "open up" and "plug" have occurred on timeline