Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
arso
←
Latin
ārsus
(inherited)
←
Latin
ārdeō
(mention)
←
Romanian
ars
(cognate)
←
Sicilian
arsu
(cognate)
→
Romanian
ars
(cognate)
→
Aromanian
arsu
(cognate)