Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
děkovat
←
Czech
(suffix)
←
Czech
ovat
(suffix)
←
Old High German
dankōn
(derived)
→
Czech
poděkovat
(prefix)
→
Old East Slavic
дяковати
(cognate)