Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Emilian
êser
←
Proto-Indo-European
*h₁ésti
(inherited)
←
Proto-Italic
*ezom
(inherited)
←
Latin
sum
(derived)
→
Emilian
êsreg
(link)