Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
impurus
←
Latin
im-
(mention)
←
Latin
pūrus
(mention)
→
English
impure
(mention)
→
Romanian
impur
(derived)