Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
slab
←
Bulgarian
-
(cognate)
←
Macedonian
слаб
(cognate)
←
Aromanian
slab
(cognate)
←
Serbo-Croatian
slȁb
(cognate)
←
Proto-Slavic
*slàbъ
(derived)
→
Romanian
slăbi
(mention)
→
Romanian
slăbuț
(suffix)
→
Romanian
slăbătură
(suffix)
→
Romanian
Slabu
(mention)
→
Aromanian
slab
(cognate)