Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English commemorate
English memory (mention)
Latin commemorare (derived)
Latin com- (mention)
Latin memorare (mention)

English commemoration (affix)
English commemorative (affix)
English commemorator (suffix)
English commemoratory (suffix)
English commemorabilia (blend)
English commemorateth (suffix)
English commemoratest (suffix)
English decommemorate (prefix)