Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
especulação
←
Galician
especulación
(cognate)
←
Latin
speculor
(derived)
←
Portuguese
especular
(suffix)
←
Portuguese
ção
(suffix)
→
Galician
especulación
(cognate)
→
Portuguese
antiespeculação
(affix)