Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Serbo-Croatian
дво
→
Serbo-Croatian
двосмислен
(prefix)
→
Serbo-Croatian
двоглед
(prefix)
→
Serbo-Croatian
двоженство
(prefix)