Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
gengiva
←
Proto-Indo-European
*ǵyewh₁-
(derived(pt/it))
←
Proto-Indo-European
*ǵyewh₁-
(derived)
←
Latin
gingīva
(inherited)
←
Old Portuguese
gengiva
(inherited)