Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English regime
English regimen (doublet)
French régime (borrowed)
Proto-Indo-European *h₃reǵ- (root)
Latin regimen (derived)

English regal (link)
English regimen (doublet)
English cryoregime (prefix)
English antiregime (prefix)
English counterregime (prefix)
English nanoregime (prefix)
English photoregime (prefix)
English multiregime (prefix)