populorum
populorum is a Latin form of populus, meaning “people, nation”. It is the genitive plural masculine noun or genitive plural feminine noun.
Found 125 times in the Latin texts on Socratos.
Where it is used
Cicero, In C. Verrem 1.1.6: … Achaicus inquisitor ne Brundisium quidem pervenit, ego Siciliam totam quinquaginta diebus sic obii ut omnium populorum privatorumque litteras iniuriasque cognoscerem; ut perspicuum cuivis esse posset hominem ab isto quaesitum es …
All forms of populus (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.