Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Portuguese
unna
←
Proto-Indo-European
*h₃negʰ-
(derived)
←
Latin
ungula
(inherited)
←
Latin
unguis
(mention)
→
Galician
uña
(mention)