Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English -on
← Ancient Greek -ον (link)

→ English electron (mention)
→ English silicon (mention)
→ English boron (mention)
→ English -um (link)
→ English caron (mention)
→ English codon (suffix)
→ English hadron (suffix)
→ English phonon (suffix)
→ English photon (affix)
→ English perihelion (affix)
→ English freon (mention)
→ English magneton (affix)
→ English Teflon (affix)
→ English helicon (affix)
→ English axion (mention)
→ English chevon (affix)
→ English -and (link)
→ English bogon (mention)
→ English cluon (mention)
→ English zileuton (affix)
→ English majoron (affix)
→ English synthon (blend)
→ English anecdotum (mention)
→ English holon (mention)
→ English caldesmon (affix)
→ English klepton (affix)
→ Spanish -ón (borrowed)
→ Spanish -ón (borrowed)
→ Portuguese -ão (link)