Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
Bâzdâna
←
Old Church Slavonic
бездъна
(borrowed)
←
Old Church Slavonic
без
(affix)
←
Old Church Slavonic
дъно
(affix)