Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Lower Sorbian
Podstupim
←
Proto-Slavic
*podъ
(derived)
←
Proto-Slavic
*stǫpa
(mention)
→
German
Potsdam
(cognate)