Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Corsican
è
←
Proto-Indo-European
*éti
(inherited)
←
Italian
e
(cognate)
←
Latin
et
(inherited)
←
Portuguese
e
(cognate)