Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
luz
←
Proto-Indo-European
*lewk-
(mention)
←
Proto-Italic
*louks
(inherited)
←
Latin
lūcem
(inherited)
←
Latin
lūx
(mention)
←
Portuguese
lux
(doublet)
←
Old Portuguese
luz
(inherited)
→
Kabuverdianu
lus
(derived)
→
Papiamentu
lus
(derived)
→
Portuguese
dar à luz
(mention)
→
Portuguese
lux
(doublet)