Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
mugir
←
Proto-Indo-European
*mug-
(derived)
←
Proto-Indo-European
*mūg-
(mention)
←
Latin
mūgīre
(derived)
←
Latin
mūgiō
(mention)
←
Old Portuguese
mogir
(inherited)
←
Old Portuguese
mugir
(mention)
→
Portuguese
mugido
(mention)