Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
negreiro
←
Spanish
negrero
(cognate)
←
French
négrier
(cognate)
←
Galician
negreiro
(cognate)
←
Italian
negriero
(cognate)
←
Portuguese
negro
(affix)
←
Portuguese
-eiro
(affix)
→
Spanish
negrero
(cognate)
→
French
négrier
(cognate)
→
Galician
negreiro
(cognate)
→
Italian
negriero
(cognate)