Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
eina
←
Catalan
aïna
(mention)
←
Catalan
adjacent
(doublet)
←
French
aise
(cognate)
←
Latin
adiacēns
(inherited)
←
Occitan
aisina
(cognate)
←
Old Occitan
aizina
(inherited)
←
Old Occitan
aize
(mention)
→
Catalan
adjacent
(doublet)
→
French
aise
(cognate)
→
Italian
agio
(cognate)