Extend
Open
Open verb - To arrange the parts of (something) over a wider area.
Usage example: when we got too close, the cardinal opened its wings and flew to a higher branch
Extend is a synonym for open in activity topic. Sometimes you can use "Extend" instead a verb "Open", if it concerns topics such as move.
Common collocations
Both words in one sentence
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It is further stated that Ley Lines also extend into open space, which is why planetary alignments can cause increased activity on terrestrial ley lines.
Source: Ley Line - The only House immediately open to them is the Jhereg, which will extend membership to anyone for a fee.
Source: Half-Breed Discrimination - In another, a couple of Hippie Parents throw out their eldest children in The '70s, as their open-mindedness didn't extend to incest.
Cite this Source
Open and Extend. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/extend/open
Extend & Open. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/extend/open>.
Open or Extend. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/extend/open.
Google Ngram Viewer shows how "extend" and "open" have occurred on timeline