Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
ruga
←
Proto-Indo-European
*h₃roǵ-
(derived)
←
Proto-Indo-European
*h₃reǵ-
(mention)
←
Latin
rogo
(inherited)
→
Romanian
întreba
(link)
→
Romanian
rugăminte
(mention)
→
Romanian
rugător
(suffix)
→
Aromanian
rog
(cognate)