Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English simultaneous
Proto-Indo-European *sem- (root)
Latin simultim (mention)
Latin simul (derived)

English simultaneously (suffix)
English simultaneousness (suffix)
English simulcast (affix)
English nonsimultaneous (prefix)
English unsimultaneous (prefix)