Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
French hepta

→ French heptagyne (confix)
→ French heptamètre (confix)
→ French heptamétrique (prefix)
→ French heptarchie (confix)
→ French heptafluorure (prefix)
→ French heptoxyde (prefix)
→ French heptacène (prefix)
→ French heptamère (confix)
→ French heptatomique (prefix)