Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Czech jádro
Proto-Indo-European *h₁en- (root)
Proto-Slavic *ędro (inherited)
Old Czech jádro (inherited)

Czech jaderný (affix)
Czech vyjádřit (affix)
Czech dvoujádro (affix)
Czech mikrojádro (affix)
Lower Sorbian jědro (cognate)