Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
дву-
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Bulgarian
двусмислен
(affix)
→
Bulgarian
двусмислие
(affix)
→
Bulgarian
двусмислица
(affix)
→
Bulgarian
двуличен
(affix)