Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
dia
←
Proto-Indo-European
*dyḗws
(inherited)
←
Latin
diēs
(inherited)
←
Old Occitan
dia
(inherited)
→
Catalan
adiar
(affix)
→
Catalan
migdia
(affix)
→
Catalan
diada
(suffix)
→
Spanish
día
(cognate)