Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Aromanian
aruc
←
Latin
eruncō
(inherited)
←
Latin
runcō
(mention)
←
Romanian
arunca
(cognate)
←
Romanian
arunc
(mention)
←
Megleno-Romanian
runc
(cognate)
→
Romanian
arunca
(cognate)