Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Finnish
hydro
→
Finnish
hydrokemia
(prefix)
→
Finnish
hydrobiologi
(prefix)
→
Finnish
hydrobiologia
(prefix)
→
Finnish
hydrometri
(confix)
→
Finnish
hydrostatiikka
(prefix)
→
Finnish
hydroviljely
(prefix)
→
Finnish
hydromantia
(confix)
→
Finnish
tetrahydrokannabinoli
(prefix)
→
Finnish
hydrokodoni
(prefix)