Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
serrar
←
Latin
serrare
(inherited)
←
Latin
serrō
(mention)
←
Latin
serra
(mention)
←
Old Portuguese
serrar
(inherited)
→
Portuguese
serra
(link)