Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
burla
→
Catalan
burlar-se
(affix)
→
Galician
burla
(cognate)
→
Galician
bulra
(cognate)