Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
calcar
←
Proto-Indo-European
*(s)kel-
(derived)
←
Latin
calx
(mention)
←
Latin
calcō
(mention)
→
English
calcar
(borrowed)