Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Aromanian
pitrec
←
Latin
per-
(inherited)
←
Latin
traiciō
(mention)
←
Romanian
petrece
(cognate)
←
Romanian
petrec
(mention)
→
Romanian
petrece
(cognate)