Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Dutch
dec
→
Dutch
decyl
(confix)
→
Dutch
decaan
(confix)
→
Dutch
deceen
(confix)
→
Dutch
decyn
(confix)