Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ligurian
spêgio
←
Proto-Indo-European
*speḱ-
(root)
←
Latin
speculum
(inherited)
←
Latin
speciō
(mention)