Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
perillós
←
Catalan
perill
(suffix)
←
Catalan
ós
(suffix)
←
French
périlleux
(cognate)
←
Latin
perīculōsus
(inherited)
←
Latin
(mention)
←
Occitan
perilhós
(cognate)
←
Old Occitan
(inherited)
→
Catalan
perillosament
(suffix)
→
Catalan
perillositat
(suffix)