Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English ludicrous
Latin lūdicrus (mention)
Latin lūdō (mention)

English delude (mention)
English ludicrously (suffix)
English ludicrousness (suffix)
English ludicrosity (suffix)
English cockaludicrous (affix)
English unludicrous (prefix)
Spanish ludir (cognate)
Latin ludo (link)