Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
въ́лна
→
Bulgarian
вълнат
(affix)
→
Bulgarian
вълнест
(affix)
→
Latvian
vilna
(cognate)