Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Church Slavonic
пѣсъкъ
←
Proto-Slavic
*pěsъkъ
(inherited)
→
Sanskrit
पांसु
(cognate)