First class
First class noun - Mail that includes letters and postcards and packages sealed against inspection.
Ruling and first class are semantically related. in best topic. In some cases you can use "Ruling" instead an adjective phrase "First class", when it comes to topics like top, highest in importance.
Ruling
Ruling adjective - Held by or applicable to a majority of the people.
First class and ruling are semantically related. Sometimes you can replace phrase "First class" with "Ruling", this terms are similar.
Both terms in one sentence
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In X-Men: First Class, Sebastian Shaw (who really was a Nazi during the second World War, going under the name "Klaus Schmidt") envisions his mutant-dominated society much as if it were he ruling over 1940s Germany.
Source: A Nazi by Any Other Name
Cite this Source
Ruling and First class. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/first_class/ruling
First class & Ruling. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/first_class/ruling>.
Ruling or First class. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/first_class/ruling.
Google Ngram Viewer shows how "first class" and "ruling" have occurred on timeline