Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Finnish mega-
← Ancient Greek μέγας (derived)

→ Finnish megajoule (affix)
→ Finnish megatrendi (affix)
→ Finnish megatonni (affix)
→ Finnish megahitti (affix)
→ Finnish megawatti (affix)
→ Finnish megabitti (affix)
→ Finnish megapikseli (affix)