Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English oncost
← German Unkost (cognate)
← Middle Dutch oncost (derived)
← English on- (affix)
← English cost (affix)
← English un- (affix)
← English cost (affix)
← Middle English uncost (inherited)
← Dutch onkost (cognate)

→ English oncostman (suffix)