Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Alghero
←
Proto-Indo-European
*alg-
(derived)
←
Proto-Indo-European
*alǵ-
(mention)
←
Italian
Alghero
(borrowed)
←
Latin
alga
(derived)
←
Sardinian
S'Alighèra
(derived)
←
Sardinian
aliga
(mention)
←
Sardinian
-era
(mention)
→
English
Algherese
(suffix)