Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
obârșie
←
Proto-Slavic
*obrъšije
(borrowed)
←
Proto-Slavic
*obvьrъšati
(mention)
←
Proto-Slavic
*ob
(affix)
←
Proto-Slavic
*vьrxъ
(affix)
←
Proto-Slavic
*-ati
(affix)
→
Romanian
Obârșie
(mention)
→
Romanian
Obârșia
(mention)
→
Romanian
Obârșia de Câmp
(mention)
→
Romanian
Obârșia Nouă
(mention)
→
Romanian
Obârșeni
(affix)
→
Romanian
Obârșia-Cloșani
(mention)
→
Romanian
Deleni-Obârșie
(mention)
→
Romanian
Obîrșie
(mention)