Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
чепе́ц
→
Latvian
cepure
(cognate)
→
Russian
чепчик
(affix)
→
Old Armenian
կոպ
(cognate)