Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Dutch
pent
→
Dutch
pentyl
(confix)
→
Dutch
pentaan
(confix)
→
Dutch
penteen
(confix)
→
Dutch
pentyn
(confix)