Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
raudus
←
Proto-Indo-European
*Hrew-
(derived)
←
Latin
rudus
(mention)
←
Latin
rudis
(mention)
←
Latin
raudusculus
(link)