Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
decrustation
←
Old French
décrustation
(cognate)
←
Latin
dēcrustō
(mention)
←
Latin
dē
(mention)
←
Latin
crustō
(mention)
←
Latin
crusta
(mention)