Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English pugnacious
Proto-Indo-European *pewǵ- (root)
Latin pugnāx (mention)
Latin pugnō (mention)
Latin pugnus (mention)

English repugnant (mention)
English pugnaciously (suffix)
English pugnaciousness (suffix)
English pugnacity (suffix)
English unpugnacious (prefix)