Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
loar
←
Latin
laudāre
(inherited)
←
Latin
laudō
(mention)
←
Latin
laus
(mention)
←
Old Portuguese
louvar
(inherited)
←
Old Portuguese
loar
(mention)
←
Old Portuguese
louar
(mention)
→
Portuguese
loa
(back-formation)