Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English contagious
Old French contagieus (derived)
Latin contagio (mention)

English contagiousness (suffix)
English contagiously (suffix)
English noncontagious (prefix)
English uncontagious (prefix)
English anticontagious (prefix)
Westrobothnian fær (link)