Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
aguijada
←
Spanish
aguijar
(link)
←
Latin
*aquīleus
(mention)
←
Latin
acūleus
(inherited)
→
Spanish
aguijar
(back-formation)
→
Galician
aguillada
(cognate)