Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
fiestra
←
Latin
fenestra
(inherited)
←
Portuguese
fresta
(cognate)
←
Old Portuguese
fẽestra
(inherited)
→
Spanish
hiniestra
(cognate)
→
Galician
multifiestra
(prefix)
→
Portuguese
fresta
(cognate)