Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Sardinian
frighidu
←
Proto-Indo-European
*sriHgos-
(derived)
←
Proto-Indo-European
*sriges-
(mention)
←
Proto-Indo-European
*sriHges-
(mention)
←
Latin
frīgidus
(inherited)
←
Latin
frīgeō
(mention)
←
Latin
frīgus
(mention)