Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
ovar
←
Spanish
ovo
(suffix)
←
Spanish
ar
(suffix)
←
Latin
ovum
(derived)
→
Friulian
ovâ
(cognate)
→
Romanian
oua
(cognate)