Primary
Primary adjective - Coming before all others in importance.
Usage example: the primary concern for many house hunters is the asking price
Top is a synonym for primary in characteristic topic. In some cases you can use "Top" instead the word "Primary" as an adjective or a noun, when it comes to topics like principal, main, important, chief.
Top
Top adjective - Highest in rank or authority.
Usage example: nearly all of the top officials in the state's department of corrections resigned after the scandal
Primary is a synonym for top in principal topic. Sometimes you can use "Primary" instead the word "Top" as an adjective or a noun, if it concerns topics such as characteristic, best, main, important.
Mutual synonyms
Both words in one sentence
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On top of that, both they and the High Elves have repeating Bolt Throwers (ballistas) as their primary war machines.
Source: Automatic Crossbows -
Razor Wind: Riptide's primary mutant power, which he generates by spinning himself in place like a top an extremely high speeds.
- To make a long story short, it was not a good sign to see a player with less than 51 points in their primary talent tree because this usually means that their character will lack a powerful top-tier talent for their primary task.
Source: Master of None
Cite this Source
Top and Primary. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/primary/top
Primary & Top. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/primary/top>.
Top or Primary. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/primary/top.
Google Ngram Viewer shows how "primary" and "top" have occurred on timeline