Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
tonto
←
Spanish
tonto
(cognate)
←
Portuguese
tonto
(cognate)
←
Romanian
tont
(cognate)
←
Romanian
tânt
(link)
→
Spanish
tonto
(cognate)
→
Italian
intontire
(affix)
→
Italian
tontolone
(suffix)
→
Portuguese
tonto
(cognate)