Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
lume
←
Proto-Indo-European
*lewk-
(root)
←
Proto-Indo-European
*léwksmn̥
(inherited)
←
Proto-Indo-European
*lewk-
(mention)
←
Italian
lumen
(doublet)
←
Latin
lūmen
(inherited)
→
Catalan
llumí
(mention)
→
Spanish
lumbre
(cognate)
→
Italian
allumare
(confix)
→
Italian
allumare
(confix)
→
Italian
barlume
(mention)
→
Italian
lumeggiare
(affix)
→
Italian
lumicino
(affix)
→
Italian
paralume
(prefix)
→
Italian
lumino
(affix)
→
Portuguese
lume
(cognate)