Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
pezoia
←
Spanish
ponzoña
(cognate)
←
French
poison
(cognate)
←
Latin
pōtio
(inherited)
←
Portuguese
peçonha
(cognate)
←
Old Portuguese
poçõya
(inherited)