Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
lūctus
→
Spanish
luto
(inherited(es/tl))
→
Galician
loito
(derived)
→
Italian
lutto
(derived)
→
Latin
luctificus
(affix)
→
Portuguese
luto
(derived)