Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
abstrusus
←
Proto-Indo-European
*trewd-
(root)
←
Latin
abstrūdō
(mention)
→
French
abstrus
(mention)
→
Swedish
abstrus
(borrowed)