Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
sarilho
←
Latin
*sericulum
(mention)
←
Latin
sēricum
(mention)
←
Old Portuguese
sarillo
(mention)
→
Galician
sarillo
(cognate)