Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Church Slavonic
десѧтъ
←
Proto-Indo-European
*déḱm̥t
(derived)
←
Proto-Slavic
*desętъ
(inherited)