Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
trast
←
Catalan
trasto
(doublet)
←
Latin
trānstrum
(inherited)
→
Catalan
traster
(affix)
→
Catalan
trastam
(affix)