Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
péci
←
Proto-Slavic
*peťi
(inherited)
→
Kalasha
pačék
(cognate)
→
Latvian
cept
(cognate)
→
Silesian
piyc
(cognate)