Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latvian
racionāls
←
Latin
ratiōnālis
(borrowed)
→
Latvian
racionālisms
(suffix)
→
Latvian
racionālists
(suffix)
→
Latvian
racionālistisks
(suffix)