Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
côncavo
←
Proto-Indo-European
*ḱówHwos
(derived)
←
Proto-Indo-European
*ḱówH-
(mention)
←
Latin
concavus
(borrowed)
←
Latin
cōn
(mention)
←
Latin
cavus
(mention)