Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
titllar
←
Catalan
titular
(doublet)
←
Spanish
tildar
(cognate)
←
Latin
titulō
(mention)
←
Latin
titulus
(inherited)
→
Catalan
titlla
(mention)