Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
žert
←
Middle High German
serten
(cognate)
←
Polish
żart
(cognate)
←
Slovak
žart
(cognate)
→
Czech
fór
(link)
→
Czech
žertík
(suffix)
→
Polish
żart
(cognate)