Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
tòfona
←
Catalan
trufa
(doublet)
←
Latin
tūbera
(derived)
←
Old Catalan
tòfera
(inherited)
→
Catalan
trufa
(doublet)
→
Catalan
tafaner
(mention)