Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
decennale
→
Italian
duodecennale
(prefix)
→
Italian
pluridecennale
(prefix)
→
Italian
ultradecennale
(prefix)
→
Italian
sesquidecennale
(prefix)