Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
morriña
←
English
murrain
(cognate)
←
Portuguese
morrinha
(cognate)
→
Spanish
morriña
(derived)
→
Galician
morriñento
(suffix)
→
Portuguese
morrinha
(cognate)