Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
risco
←
Portuguese
riscar
(back-formation)
→
English
risk
(cognate)
→
Galician
risco
(cognate)
→
Portuguese
arriscar
(affix)
→
Portuguese
rabisco
(mention)