Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
selar
←
Catalan
segellar
(cognate)
←
Spanish
sellar
(cognate)
←
French
sceller
(cognate)
←
Italian
suggellare
(cognate)
←
Latin
sigillāre
(inherited)
←
Latin
sigillō
(mention)
←
Portuguese
sigilar
(doublet)
←
Portuguese
sela
(suffix)
←
Portuguese
ar
(suffix)
←
Old Portuguese
selar
(inherited)
→
Asturian
sellar
(cognate)
→
Catalan
segellar
(cognate)
→
Spanish
sellar
(cognate)
→
French
sceller
(cognate)
→
Italian
suggellare
(cognate)
→
Portuguese
selo
(link)