Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
dluh
←
Proto-Indo-European
*dʰelgʰ-
(root)
←
Proto-Slavic
*dъlgъ
(inherited)
→
Czech
dluhový
(suffix)
→
Lower Sorbian
dług
(cognate)