Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
iar
←
Latin
*era
(mention)
←
Romansch
eir
(mention)
→
Romanian
dar
(mention)
→
Romanian
iarăși
(mention)