Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Lithuanian
-ojas
←
Latvian
-ājs
(cognate)
←
Proto-Slavic
*-ajь
(cognate)
→
Lithuanian
mokytojas
(affix)
→
Lithuanian
medžiotojas
(affix)
→
Latvian
-ājs
(cognate)
→
Latvian
-ējs
(cognate)