Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
congênere
←
Spanish
congénere
(cognate)
←
French
congénère
(cognate)
←
Italian
congenere
(cognate)
←
Latin
com-
(compound)
←
Latin
genus
(compound)