Mutual synonyms
Common collocations
Both words in one sentence
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They needed to be sure that the SS could actually deliver the kind and number of slaves that they wanted, as they were wary of bad investments, and once this was done they needed time to build or extend the relevant facilities.
Source: Useful Notes / The Holocaust -
The Dev Team Thinks of Everything: The maps are pretty large, and extend to regions where you cannot build and enemies do not tread.
Source: Video Game / Sanctum - The aim may be to extend the tension over a larger part of the game, by opting to stretch and relax the tension rather than let it build up continually.
Source: Breather Level
Cite this Source
Extend and Build. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/build/extend
Build & Extend. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/build/extend>.
Extend or Build. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/build/extend.
Google Ngram Viewer shows how "build" and "extend" have occurred on timeline