Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
koš
←
Proto-Slavic
*košь
(inherited)
←
Old Czech
koš
(inherited)
→
Czech
košový
(affix)
→
Hungarian
kas
(cognate)