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

→ French écologique (affix)
→ French écologiste (affix)
→ French radioécologie (prefix)
→ French paléoécologie (prefix)
→ French autécologie (prefix)
→ French écologiser (suffix)
→ French écologisme (suffix)
→ French bioécologie (prefix)
→ French synécologie (prefix)
→ French hydroécologie (prefix)
→ Romanian ecologie (borrowed)