Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
жълт
←
Proto-Slavic
*žьltъ
(inherited)
→
Bulgarian
жълтък
(affix)
→
Latvian
dzeltens
(cognate)