Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
concealment
←
English
conceal
(affix)
←
English
-ment
(affix)
←
Old French
concelement
(mention)
→
English
unconcealment
(prefix)