Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English grapheme
English -eme (mention)
English -gram (doublet)
Ancient Greek γράφω (borrowed)

English archigrapheme (prefix)
English graphemics (suffix)
English grapholect (blend)
English graphemic (affix)
Greek τηλεγράφημα (mention)