Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Finnish herttua
Middle Low German hertōge (derived)
Old Swedish hærtoghe (borrowed)

Finnish herttuakunta (compound)
Finnish herttuatar (suffix)
Finnish arkkiherttua (affix)
Finnish herttua-apina (compound)
Finnish suurherttua (prefix)
Finnish herttuallinen (affix)