Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
perla
←
Spanish
perla
(cognate)
←
French
perle
(cognate)
←
Italian
perla
(cognate)
←
Latin
perna
(cognate)