Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
poupar
←
Galician
palpar
(doublet)
←
Latin
palpo
(inherited)
←
Portuguese
poupar
(cognate)
←
Old Portuguese
poupar
(inherited)
→
Galician
apalpar
(doublet)