Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Portuguese
setembro
←
Latin
september
(inherited)
→
Galician
setembro
(inherited)
→
Portuguese
setembro
(inherited)
→
Tetum
setembru
(derived)