Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English contractual
English -al (affix)
Latin contractus (derived)

English contract (link)
English contractually (suffix)
English noncontractual (prefix)
English contractualism (suffix)
English extracontractual (prefix)
English contractualistic (suffix)
English precontractual (prefix)
English quasicontractual (prefix)
English contractualise (suffix)
English contractualize (suffix)
English uncontractual (prefix)
English postcontractual (prefix)
English anticontractual (prefix)
English subcontractual (prefix)
English contractualist (suffix)
Cebuano kontraktwal (borrowed)