Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
płaszcz
←
Czech
plášť
(cognate)
←
Russian
плащ
(cognate)
←
Serbo-Croatian
plašt
(cognate)
←
Slovene
plašč
(cognate)
←
Proto-Slavic
*plaščь
(inherited)
→
Polish
płaszczyk
(suffix)