Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
difficile
←
Latin
difficilis
(suffix)
←
Latin
ē
(suffix)
←
Latin
difficiliter
(link)
←
Latin
difficulter
(link)
←
Latin
difficilis
(mention)