Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*ortajь
→
Lithuanian
artojas
(cognate)
→
Latvian
arājs
(cognate)
→
Polish
rataj
(inherited)