Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Cornish
frooth
←
Proto-Indo-European
*bʰruHg-
(derived)
←
Latin
fructus
(derived)
←
Latin
fruor
(mention)