Base
Base noun - An immaterial thing upon which something else rests.
Usage example: the firm belief that complete trust between husband and wife is the base of any successful marriage
Basis is a synonym for base in foundation topic. In some cases you can use "Basis" instead a noun "Base", when it comes to topics like principle, thing, essence, core. popular alternative
Basis
Basis noun - An immaterial thing upon which something else rests.
Usage example: the sole basis for the rumor is someone's overactive imagination
Base is a synonym for basis in foundation topic. You can use "Base" instead a noun "Basis", if it concerns topics such as principle, mainstay, physical foundation, substratum. popular alternative
Nearby Word: basic
Mutual synonyms
How words are described
Cite this Source
Basis and Base. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/base/basis
Base & Basis. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/base/basis>.
Basis or Base. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/base/basis.
Google Ngram Viewer shows how "base" and "basis" have occurred on timeline