Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
seguro
←
Catalan
-
(cognate)
←
English
sicker
(cognate)
←
Spanish
seguro
(cognate)
←
French
sûr
(cognate)
←
Galician
-
(cognate)
←
Italian
sicuro
(cognate)
←
Latin
sēcūrus
(inherited)
←
Occitan
segur
(cognate)
←
Old Portuguese
seguro
(inherited)
→
Portuguese
inseguro
(affix)
→
Portuguese
assegurar
(mention)
→
Portuguese
seguridade
(suffix)