Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
idea
←
Spanish
ideal
(link)
←
Spanish
idear
(link)
←
Ancient Greek
ἰδέα
(derived)
←
Ancient Greek
εἴδω
(mention)
←
Latin
idea
(borrowed)
←
Portuguese
ideia
(cognate)
→
Spanish
ideología
(suffix)
→
Spanish
idear
(mention)