Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Serbo-Croatian
mak
←
Proto-Indo-European
*meh₂kos
(inherited)
←
Proto-Slavic
*makъ
(inherited)
→
Scottish Gaelic
meacan
(cognate)
→
Romanian
mac
(mention)