Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
luz
←
Spanish
lux
(doublet)
←
Proto-Indo-European
*lewk-
(mention)
←
Proto-Italic
*louks
(inherited)
←
Latin
lūcem
(inherited)
←
Latin
lūx
(mention)
←
Old Spanish
luz
(inherited)
→
Spanish
lux
(doublet)
→
Spanish
Luz
(mention)
→
Spanish
lucero
(mention)
→
Spanish
aluzar
(affix)
→
Spanish
contraluz
(prefix)
→
Spanish
lucecita
(affix)
→
Spanish
lucecilla
(affix)
→
Spanish
sacar a la luz
(mention)
→
Ligurian
lûxe
(cognate)
→
Papiamentu
lus
(derived)
→
Sardinian
luche
(cognate)
→
Sardinian
lughe
(cognate)