Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Upper Sorbian
hat
→
Lower Sorbian
gat
(cognate)
→
Serbo-Croatian
gat
(cognate)
→
Serbo-Croatian
гат
(cognate)