Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
boleć
←
Czech
bolet
(cognate)
←
Slovak
bolieť
(cognate)
←
Proto-Slavic
*bolěti
(inherited)
←
Proto-Slavic
*bolь
(inherited)
→
Czech
bolet
(cognate)
→
Lower Sorbian
bóleś
(cognate)
→
Polish
bolączka
(suffix)
→
Slovak
bolesť
(cognate)