Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
qua
←
Spanish
acá
(cognate)
←
French
çà
(cognate)
←
Latin
eccum
(inherited)
←
Latin
hac
(mention)
←
Portuguese
cá
(cognate)
→
Italian
ci
(link)
→
Italian
quaggiù
(affix)
→
Italian
quassù
(affix)