Backbone
Backbone noun - A column of bones supporting the trunk of a vertebrate animal.
Foundation is a synonym for backbone in mainstay topic. In some cases you can use "Foundation" instead a noun "Backbone", when it comes to topics like spinal column of vertebrate.
Nearby Word: backboned
Foundation
Foundation noun - An immaterial thing upon which something else rests.
Usage example: she had a good enough foundation in math to pursue an economics degree
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Synonyms for Foundation
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Foundation and Backbone. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/backbone/foundation
Backbone & Foundation. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/backbone/foundation>.
Foundation or Backbone. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/backbone/foundation.
Google Ngram Viewer shows how "backbone" and "foundation" have occurred on timeline