Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
Matilda
←
Old French
Mathilde
(derived)
←
Old High German
maht
(derived)
←
Old High German
meht
(mention)
←
Old High German
hild
(mention)
←
Old High German
hilta
(mention)