Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
difícil
←
English
difficile
(cognate)
←
Latin
difficilis
(borrowed)
→
Bikol Central
dipisil
(borrowed)
→
Spanish
dificultad
(link)
→
Spanish
difícilmente
(suffix)
→
Spanish
dificilísimo
(suffix)