Beginning
Beginning adjective - Coming before the main part or item usually to introduce or prepare for what follows.
Usage example: the beginning part of the book is a portrait of Europe on the eve of the World War I
Primary is a synonym for beginning in initial topic. In some cases you can use "Primary" instead the word "Beginning" as an adjective or a noun, when it comes to topics like preliminary, fundamental, earliest.
Primary
Primary adjective - Coming before the main part or item usually to introduce or prepare for what follows.
Usage example: a few minutes of primary instruction in the use of our diving gear before we actually got into the water
Beginning is a synonym for primary in earliest topic. Sometimes you can use "Beginning" instead the word "Primary" as an adjective or a noun, if it concerns topics such as original, initial, preliminary, fundamental.
Mutual synonyms
Both words in one sentence
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Love Triangle: The beginning of the manga starts off with one for three primary leads: Yuzuki, Haruto, and Nanami.
Source: Manga / Kimi no Iru Machi -
Mikogami is beginning to slide into this as well, along with his two primary Sekirei (Akitsu and Mutsu).
Source: Manga / Sekirei - Casper: When the hero is a ghost and the primary antagonists are mortals who didn't even believe in ghosts at the beginning of the movie, it puts Casper firmly in this trope.
Source: Outside-Context Problem
Cite this Source
Primary and Beginning. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/beginning/primary
Beginning & Primary. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/beginning/primary>.
Primary or Beginning. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/beginning/primary.
Google Ngram Viewer shows how "beginning" and "primary" have occurred on timeline