Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
*dumque
→
Catalan
doncs
(mention)
→
Friulian
doncje
(mention)
→
Italian
dunque
(mention)
→
Italian
dunque
(mention)
→
Ladin
donca
(mention)