Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English retain
Old French retenir (derived)
Proto-Indo-European *ten- (root)
Latin retineō (derived)
Latin re- (mention)
Latin teneō (mention)

English retainer (suffix)
English sustention (mention)
English retainment (suffix)
English retent (mention)
English retainable (suffix)
English retainal (suffix)
English retainest (suffix)
English retaineth (suffix)
English retainage (suffix)
English retainability (suffix)