Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
pentelho
←
Spanish
pendejo
(cognate)
←
Latin
pecten
(inherited)
←
Portuguese
pente
(affix)
←
Portuguese
-elho
(affix)
→
Spanish
pendejo
(cognate)
→
Galician
pentello
(cognate)