Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*h₂ǵ-es-
→
Latin
gero
(mention)
→
Old Norse
kǫstr
(inherited)
→
Old Norse
kǫs
(inherited)