Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Bilch
←
Czech
plch
(cognate)
←
Slovene
polh
(cognate)
←
Proto-Slavic
*pъlxъ
(derived)