Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
certo
←
Latin
certus
(affix)
←
Latin
-ō
(affix)
←
Latin
certor
(alter)
←
Latin
bellō
(link)
←
Latin
bellō
(link)
←
Latin
certus
(affix)
←
Latin
-ō
(affix)
←
Latin
certē
(link)
←
Romanian
certare
(link)
←
Sardinian
certari
(link)
←
Sardinian
certai
(link)