Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Basque
ilargi
←
Basque
hil
(compound)
←
Basque
argi
(compound)
→
Basque
ilargitar
(affix)
→
Latin
Ilergetes
(cognate)