Open space
Opening and open space are semantically related. in gap above something topic. In some cases you can use "Opening" instead a noun phrase "Open space", when it comes to topics like gap in area.
Opening
Opening noun - A favorable combination of circumstances, time, and place.
Cite this Source
Opening and Open space. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/open_space/opening
Open space & Opening. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/open_space/opening>.
Opening or Open space. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/open_space/opening.
Google Ngram Viewer shows how "open space" and "opening" have occurred on timeline